Question

Simplify the expression.

x2 + 8x – 5 + 3x2 if x = 3

Answer 1

is that x^2+8x-5+3x^2?

Answer 2

2's are the exponents

Answer 3

Ok.

Answer 4

(3)^2+8(3)-5+3((3)^2)

Answer 5

Is that what you are looking at?

Answer 6

yes

Answer 7

Ok, so then you'd simplify.

Answer 8

Let me know what you get.

Answer 9

1

Answer 10

Mmm, not what I got.