Question

PLEASE HELP ME AND I WILL GIVE MEDAL AND BE VERY GREATFUL!

7.Subtract and simplify.
(3x^2+5x-4)-(2x^2-7x-1)
A) -x^2+12x-5
B) -x^2-2x-3
C) 5x^2-2x-3
D) x^2+12x-3


8. Expand and simplify.
(3a-2)(4a+5)
A) 12a^2+23a+10
B) 12a^2-10
C) 12a^2-7a-10
D) 12a^2+7a-10

Simplify.
-27a^4b^3/3ab
A) -9a^2b
B) -9a^3b^2
C) -3ab
D) -a^2/9b

Answer 1

@Here_to_Help15 @Nurali

Answer 2

x^2+12x-3

Answer 3

2a^2+7a-10

Answer 4

-9a^3b^2

Answer 5

Thank you!!!

Answer 6

Anytime.