Answer:
- 9x² - 12x + 10
Step-by-step explanation:
5g(x) - f(x)
= 5(2 - x) - (9x² + 7x) ← distribute both parenthesis
= 10 - 5x - 9x² - 7x ← collect like terms
= - 9x² - 12x + 10
<span>-16r^3 - 6r^2 - 18r = -2r(8r^2 + 3r + 9)
hope that helps</span>
<span>A. 54°; acute is the answer</span>
The number y, decreased by 12
