Question

Simplify.

(2a – 5)2

A.
42a – 7 + 16

B.
4a2 – 25

C.
4a2– 20a + 10

D.
4a2 – 20a + 25

Answer 1

D)4a2-20a+25{(a-b)2=a2+b2-2ab)}

Answer 2

(2a – 5)2
4a^2+25_20a
4a^2-20a+25
by using formula (a+b)^2
D is the right option
hope this helps