Question

What value in place of the question mark makes the polynomial below a perfect square trinomial? 16X^2 +X+36
A. 10
B. 20
C. 48
D. 24

Answer 1

16x² is (4x)², 36 is 6²,
the unknown part needs to be 2 times 4 times 6, so the answer is 48

Answer 2

the correct answer is 48