(5x² - 3x + 5) - (3x² - 4x - 7) Distribute/multiply - into (3x² - 4x - 7)
5x² - 3x + 5 - 3x² + 4x + 7 Combine like terms
2x² + x + 12
The answer is A
Answer:
6
Step-by-step explanation:

Asks for x part of the solution. that is ,-2
............ .. ......
To solve this you will need to know the Pythagorean therum A^2+B^2=C^2
24^+B^2=28^2
576+B^2=784
-576. -576
B^2=208
Square root of 208 is about 14.42 and that is the length of the wall