How do I simplify the form of expression? (4x + 5)(x - 7) - 4x^2 + 10x = 9

asked Jan 10, 2020 27.2k views

1 vote

How do I simplify the form of expression?

(4x + 5)(x - 7) - 4x^2 + 10x = 9

5.7k points

Please log in or register to add a comment.

1 vote

Answer: 3.384

Step-by-step explanation: first expand to remove the brackets

4x^(2)-23x-35-4x^(2)+10x-9=0.

-13x-44=0

x=44/13

x=3.384

4.9k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.0m questions

7.8m answers