Answer:
4x² - 21x - 18
Step-by-step explanation:
Use FOIL.
Hope this helps.
add x to both sides. once you do this, you will get x+y=15
1) 3(9) +15
2) 2(-5)^2 - 11
3) (-2)^3 + 13(-2)
4) 4(6)^2 -7
5) (-9)^2 - (-9) + 10
All you have to do solve
Replace the x with whatever number is in the f(number)
$5
subtract
