Question

Which expression is a perfect square trinomial?

a.36x2+12x−1

b.100x2−20x+1

c.2x2+64x+36

d.x2−2x+2



Note. Help please i am having trouble

Answer 1

b.

Explanation:

100x2−20x+1

= (10x - 1)(10x - 1)

= (10x - 1)^2.