Question

Which expression is equivalent to (1 + 9x)10 ?
A.
–10 – 90x
B.
11 + 9x
C.
10 + 90x
D.
–11 – 9x

Answer 1

foil out and see what you get

(1 + 9x)10= ( 1*10 + 9x*10 )

Answer 2

Just listen to what I wrote. If you don't understand what I wrote then tell me.

Answer 3

I dont understand which one it is...

Answer 4

@Romero

Answer 5

You have to multiply the 10 to whatever is inside the parentheses.

Answer 6

90?

Answer 7

You multiply 10 to 1 and 10 to 9x

Answer 8

whats 10*1?

Answer 9

the answer is C?

Answer 10

Wait how did you get c?

Answer 11

by doing what u said, am i correct?

Answer 12

yes good job.

Answer 13

thank u :)