Algebramedium · Past Paper

Factorize: x^2 - 2x - 15

A(x-5)(x+3)
B(x+5)(x-3)
C(x-15)(x+1)
D(x-3)(x-5)

✓ Correct Answer: A(x-5)(x+3)

-5 and +3 add to -2 and multiply to -15.

Share this question

More from Algebra