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
amm1812
3 years ago
13

Find one value of xxx that is a solution to the equation (2x+3) 2 −6x−9=0

Mathematics
1 answer:
vesna_86 [32]3 years ago
3 0

(2x+3) ^2 −6x−9=0

(2x+3) (2x+3) −6x−9=0

Foil

4x^2 +6x+6x+9-6x-9=0

4x^2 +12x+9-6x-9=0

Combine like terms

4x^2 +6x=0

factor out 2x

2x(2x+3)=0

2x=0  2x+3=0

x=0       2x=-3

              x=-3/2

Answer x=-3/2, 0


You might be interested in
Please help :) im stupid and bad at this lol
My name is Ann [436]

Answer:

Addition. “Also, I have to stop at the store on the way home.” ...

Comparison. “In the same way, the author foreshadows a conflict between two minor characters.” ...

Concession. “Granted, you did not ask ahead of time.” ...

Step-by-step explanation:

4 0
3 years ago
Charges competition fees of $250 plus $75 per week for classes. What is the
Nimfa-mama [501]

Answer:

$3,250

Step-by-step explanation:

You take the initial fee of 250 then add 75x40

250x75(40)=$3250

3 0
3 years ago
10 + 2 = 12 12 − 2 = 10 What are these operations called? Transverse operations Reverse operations Divided operations Inverse op
jeka57 [31]
Inverse operations are operations that undo each other. 
In this case, 10 + 2 = 12, and 12 - 2 = 10 
A multiplication example could be 4 x 2 = 8, and 8 ÷ 2 = 4

Answer is inverse operations. 
3 0
3 years ago
Read 2 more answers
You are on top of a 1200 ft building. As
katrin [286]

Answer:

I parked my car 120 feet from the building

5 0
2 years ago
Solve the proportions using cross products. Round to the nearest hundredth is necessary. 21miles/49hours = 15miles h hours
SSSSS [86.1K]

\dfrac{21}{49}=\dfrac{21:7}{49:7}=\dfrac{3}{7}\\\\\dfrac{21}{49}=\dfrac{15}{h}\to\dfrac{3}{7}=\dfrac{15}{h}\qquad\text{cross multiply}\\\\3h=(7)(15)\\\\3h=105\qquad\text{divide both sides by 3}\\\\\boxed{h=35}\\\\Answer:\ 35\ hours

8 0
4 years ago
Other questions:
  • Which number is equivalent to ??
    12·2 answers
  • What is 7/1 dividend by 14/3
    9·2 answers
  • a publisher shipped 15 boxes of books to a bookstore.each box contained 32 books did the publisher shipped to the bookstore
    7·2 answers
  • Triangle ABC is described below. Find all possible values for B, C, and c.
    12·1 answer
  • Which value of x is in the solution set of the following inequality?
    13·1 answer
  • . Find the value of sec θ for the angle shown. (2 points) A line is drawn from the origin through the point seven comma six. The
    13·2 answers
  • What is the answer to 6(c+5)
    9·1 answer
  • What is the missing number in the synthetic division problem below?
    5·2 answers
  • Solve the following for w: P=2l+2w
    7·1 answer
  • What is the domain of h?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!