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Simplify. (2a – 5)2 A. 42a – 7 + 16 B. 4a2 – 25 C. 4a2– 20a + 10 D. 4a2 – 20a + 25

Simplify. (2a – 5)2 A. 42a – 7 + 16 B. 4a2 – 25 C. 4a2– 20a + 10 D. 4a2 – 20a + 25
asked 158k views
5 votes
Simplify.

(2a – 5)2

A.
42a – 7 + 16

B.
4a2 – 25

C.
4a2– 20a + 10

D.
4a2 – 20a + 25

asked
User Omer Iqbal
by
8.4k points

2 Answers

4 votes
D)4a2-20a+25{(a-b)2=a2+b2-2ab)}
answered
User Thomas Dufour
by
7.8k points
2 votes
(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
answered
User Charmander
by
7.4k points
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