Which equation has the same solution as 2x^2+16x-10=0

A: (x+4) ^2=-3

B: (x+4) ^2=-11

C: (x+4) ^2=13

D: (x+4) ^2=21

Question

Addyson Mckee

2 November, 02:29

+4

Answers (1)

Know the Answer?

Laurel Boyer · Answer 1

D

Divide the whole thing by 2

2 (X^2+8x-5)

X^2+8x. = 5

Half of 8 is 4 sq it so you add 16

X^2+8x+16 = 5+16

(X+4) ^2=21

Which equation has the same solution as 2x^2+16x-10=0A: (x+4) ^2=-3B: (x+4) ^2=-11C: (x+4) ^2=13D: (x+4) ^2=21