1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
daser333 [38]
3 years ago
7

Find the product of 3a+5 and 2a^(2)+4a-2

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0
The answer is <span><span><span>6<span>a3</span></span>+<span>22<span>a2</span></span></span>+<span>14a</span></span>−<span>10
My steps:
</span><span><span>(<span><span>3a</span>+5</span>)</span><span>(<span><span><span>2<span>a^2</span></span>+<span>4a</span></span>−2</span>)</span></span><span>=<span><span>(<span><span>3a</span>+5</span>)</span><span>(<span><span><span>2<span>a^2</span></span>+<span>4a</span></span>+<span>−2</span></span>)</span></span></span><span>=<span><span><span><span><span><span><span>(<span>3a</span>)</span><span>(<span>2<span>a^2</span></span>)</span></span>+<span><span>(<span>3a</span>)</span><span>(<span>4a</span>)</span></span></span>+<span><span>(<span>3a</span>)</span><span>(<span>−2</span>)</span></span></span>+<span><span>(5)</span><span>(<span>2<span>a^2</span></span>)</span></span></span>+<span><span>(5)</span><span>(<span>4a</span>)</span></span></span>+<span><span>(5)</span><span>(<span>−2</span>)</span></span></span></span><span>=<span><span><span><span><span><span>6<span>a^3</span></span>+<span>12<span>a^2</span></span></span>−<span>6a</span></span>+<span>10<span>a^2</span></span></span>+<span>20a</span></span>−10</span></span><span>=<span><span><span><span>6<span>a^3</span></span>+<span>22<span>a^2</span></span></span>+<span>14a</span></span>−<span>10</span></span></span>
You might be interested in
I’ll give points + brainslist, if you don’t know don’t bother answering (:
Damm [24]
C. 35 because c. Is the right answer just trust me ok
8 0
3 years ago
What is the median of this set of data:593,588,540,434,420,398,390,375
devlian [24]

Answer:

427

Step-by-step explanation:

5 0
2 years ago
Mako’s goal is to save $42. He currently has $2 and plans to save $18 per week. Let x represent the number of weeks Mako saves m
earnstyle [38]

take them seriously, they weren't a joke

7 0
3 years ago
The points (3,9) and (-3,-9) are plotted on the coordinate plane using the equation y= a•x. What is the value of a?
8_murik_8 [283]
A=3

The equation y=3x goes through both points

Hope I helped

5 0
2 years ago
What is the value of b ?
HACTEHA [7]

Two polynomials are equal if the coefficients are equal.

x^3+(3+b)x^2+(3b-2)x-6\\\downarrow\qquad\ \ \downarrow\qquad\qquad\ \ \ \ \downarrow\\x^3\ +\ \ 6x^2\ \ \ \ +\ \ \ \ \ 7x\ \ -\ 6\\\\x^3\to1=1\\x^2\to3+b=6\\x\to3b-2=7\\constans\to-6=-6\\\\3+b=6\ \wedge\ 3b-2=7\\\\3+b=6\ \ \ |-3\\b=3\\\\3b-2=\ \ \ \ |+2\\3b=9\ \ \ \ |:3\\b=3\\\\Answer:\ \boxed{b=3}\to\boxed{B.}

6 0
2 years ago
Other questions:
  • What is the answer and reminder of this equation: 2,617,449 ÷ 18?
    11·1 answer
  • -5x= -15 solve for x
    13·2 answers
  • What is the midpoint between points (4,7) and (1,1)?
    12·2 answers
  • The number y of deer in a county after x years can be modeled by y=0.75x^2 + 10.5x + 1300. When were there about 2000 deer? Roun
    9·1 answer
  • –2 • 4? what is the anserw do you now
    9·2 answers
  • Find an equivalent ratio for the proportional relationship. PQ restaurant offers 5 chicken rolls for $6.
    6·1 answer
  • If there is a $50 profit on the large cabinets and a $30 profit on the small cabinets.
    9·1 answer
  • -6x+7=7-6x is it....no solutions....One solution....infinite solutions?
    10·2 answers
  • The scale on a map says that 3 cm represents 12 km what is the actual number of km represented by 5 cm on the map
    8·1 answer
  • A group of 23 friends gets together to play a sport. First, people must be
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!