Register
If x+3=7.5, calculate the value of x^2+3x−7. PLEASE HELPPP, im failing this class!
83.6k views
19 votes
If x+3=7.5, calculate the value of x^2+3x−7.
PLEASE HELPPP, im failing this class!

User David Soussan
by
5.0k points

1 Answer

7 votes

Answer:

x+3=7.5

x=7.5-3

x=4.5

x²+3x-7

=4.5²+3(4.5)-7

User Sergey Narozhny
by
5.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.5m answers

Other Questions

Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Can someone help me with 5??? ASAP?
Solve for h 3h=7(2/7-3/7h)-10
Link Copied!