Step-by-step explanation:
(6x + 7 + x²) + (2x² - 3) =
= 6x + 7 + x² + 2x² - 3 = 3x² + 6x + 4
Answer:
-8
Step-by-step explanation:
All you have to do to solve this equation is plug "-3" into the equation where you see "x"
![f(x)=-x^2+1\\f(-3)=-(-3)^2+1\\f(-3)=-(9)+1\\f(-3)=-9+1\\f(-3)=-8](https://tex.z-dn.net/?f=f%28x%29%3D-x%5E2%2B1%5C%5Cf%28-3%29%3D-%28-3%29%5E2%2B1%5C%5Cf%28-3%29%3D-%289%29%2B1%5C%5Cf%28-3%29%3D-9%2B1%5C%5Cf%28-3%29%3D-8)
<span>0.74596656701 is the answer ma'am!</span>