Question

4x2 + 16x + 36 is equivalent to?

a) 4(x2 + 4x + 4)
b) 4(x2 + 4x + 9)
c) 4x(x + 4 + 9)
d) 4 (x2 + 6x + 9)

Answer 1

B

Explanation:

Factor out 4 as a GCF.

Look carefully at the numbers you have left.

That's it really