-4x+4x +5y +6y = 17-6
11y=11
divide both side by 11 to isolate y
y=1
4x+6(1) = -6
subtract 6 on both sides
4x=-12
divide 4 on both sides
x=-3
ANSWER
D.

EXPLANATION
We want to find the expression which is a square of a binomial.
In other words, we want to identify the expression which is a perfect square trinomial.

This expression can be rewritten as,

This is a perfect square trinomial that can be factored as:

This is the square of a binomial.
The correct answer is D
Answer: 9m+18
Step-by-step explanation:
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