Question

Which of the binomials below is a factor of this trinomial?

5x2-18x+9
O A. 5x-3
O B. X-1
O c. X+1
O D. 5x+3

Answer 1

The answer is option A.

Explanation:

here, 5x^2-18x+9

=5x^2-(15+3)x+9

=5x^2-15x-3x+9

=5x(x-3)-3(x-3)

=(5x-3)(x-3)

so, the answer from the above options is (5x-3).

hope it helps..