Question

Combining Functions

Answer 1

(50+5x)(80-2x)

Answer 2

FOIL
4000 First
-100x Outside
400x Inside
-10x Last

Answer 3

and then just add x so
4000 -100x + 400x -10x
4000 -200 + 800 - 20
4580

Answer 4

4000 - 200
3800 + 800
4600 - 20
4580

Answer 5

I feel like i messed up somewhere ;<

Answer 6

\(5x\cdot -2x = -10x^2\)

Answer 7

10 ( -4)=400

Answer 8

Wat





The Last part of your FOIL was supposed to be \(-10x^2\)

=\(4000 -100x + 400x -10x^2\)
Substitute 2
\(4000 -200 + 800 -40==5460\)

Answer 9

oh

Answer 10

you right i forgot about the x

Answer 11

C