Question

Simplify.
(2a – 5)2

A.
42a – 7 + 16

B.
4a2 – 25

C.
4a2– 20a + 10

D.
4a2 – 20a + 25

Answer 1

foil?

Answer 2

(2a−5)(2)
=(2a+(−5))(2)
=(2a)(2)+(−5)(2)
=4a−10

Answer 3

(2a – 5)^2

(2x-5)(2x-5)

4x^-10x-10x+25

4x^2-20x+25

Answer 4

so D

Answer 5

So I think its C or D

Answer 6

Thank you guys!

Answer 7

Yeah, I think D