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
andreev551 [17]
3 years ago
11

Solve the following: a. 4x^2 + 5x + 3 = 2x^2 − 3x b. c^2 − 14 = 5c

Mathematics
1 answer:
Jet001 [13]3 years ago
7 0

Answer:

(a) x = -0.418 , -3.581

(B) c = 6.855, -1.855

Step-by-step explanation:

(A) We have given equation 4x^2+5x+3=2x^2-3x

2x^2+8x+3=0

On comparing with standard quadratic equation ax^2+bx+c

a = 2, b = 8 and c = 3

So roots of the equation will be x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-8\pm \sqrt{8^2-4\times 2\times 3}}{2\times 2}=\frac{-8\pm 6.324}{4}=-0.418,-3.581

(b) c^2-14=5c

c^2-5c-14=0

a = 1, b = -5 and c= -14

So c=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-(-5)\pm \sqrt{(-5)^2-4\times 1\times (-14)}}{2\times 1}=\frac{5\pm 8.71}{2}=6.855,-1.855

You might be interested in
What tose by mean in mathematics?
Bumek [7]
The misused form but it is really the mean the arithmetical form of mean
6 0
3 years ago
Read 2 more answers
1 USD is 1.37 CAD 86 CAR is how many USD
laiz [17]

Answer:

67.64

Step-by-step explanation:

6 0
2 years ago
Jimmy has $88 in his piggy bank. He is saving his
skelet666 [1.2K]

Answer:

88/15=5.86666666667

Step-by-step explanation:

5.86666666667 because it is

6 0
2 years ago
PLEASE HELP!!!!!!!!!!!!!
Alenkasestr [34]

Answer:

Tasha made her mistake in step 4.

7 0
3 years ago
Read 2 more answers
(13 points) asap!! please help!!!!
kenny6666 [7]

Answer:

(-1,4)(1,4)

2

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • How many lines of symmetry does the figure have?<br><br><br> Which letter has rotational symmetry ?
    5·2 answers
  • A sphere has a volume of 33.5 cubic inches. which value is closest to the radius of this sphere in inches?
    13·1 answer
  • Find the value of x if DE is the midsegment of triangle ABC and
    11·1 answer
  • Use the clues to find the mystery number. The mystery number is –
    12·2 answers
  • What is the change in y and the change of x if the slope is 1,8 and 2,4
    9·1 answer
  • Bob and Anna are planning to meet for lunch at Sally's Restaurant, but they forgot to schedule a time. Bob and Anna are each goi
    5·1 answer
  • Find the value of (2x-1) -(y+3) when x=3 and y=1
    7·2 answers
  • Can y’all help me with this?
    6·1 answer
  • Image down below thx
    11·1 answer
  • If a =5 and b=3 what is the value of the 2a-3b+3a
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!