What number would you have to add to both sides to complete the square?

x2 + 12x = _6

A.

_36

B.

36

C.

144

D.

_144

Question

Mathematics

Kellen Hayden

23 May, 00:14

What number would you have to add to both sides to complete the square?

x2 + 12x = _6

A.

_36

B.

36

C.

144

D.

_144

+1

Answers (2)

Know the Answer?

Teagan · Answer 1

I think the answer is A

Amirah Shaw · Answer 2

X^2 + 12x = - 6

x^2 + 12 x + 6^2 = - 6 + 6^2

(x + 6) ^2 = - 6 + 36

(x + 6) ^2 = 30

In the first step I had to add 6^2 = 36. The answer is option B. 36.

What number would you have to add to both sides to complete the square?x2 + 12x = _6A._36B.36C.144D._144

What number would you have to add to both sides to complete the square?

x2 + 12x = _6

A.

_36

B.

36

C.

144

D.

_144