Question

Did I simplify these correctly?

Answer 1

(4x+y)(4x-y)=16x^2-y^2

Answer 2

2x^2(3x^3-7)=6x^5-7

Answer 3

uhhh, yes you did

Answer 4

(3x+1)(2x-3)=6x^2-9x+2x-3
=6x^2-7x-3

Answer 5

2x^2(3x^3-7)=6x^5-7 is incorrect

Answer 6

first one is correct though

Answer 7

(3x+1)(2x-3)=6x^2-9x+2x-3 =6x^2-7x-3 is correct

Answer 8

Thank you!

Answer 9

np

Answer 10

what did you get for 2x^2(3x^3-7) after you fixed it

Answer 11

6x^5-14x^2

Answer 12

better