X^2-2x-15

5 answers

The given expression can be factored as follows:

x^2 - 2x - 15 = (x - 5)(x + 3)
X^2-2x-15
=X^2+5x-3x-15
X(x+5)-3(x-5)
Factoring we have
(X-3)(x+5)
So therefore the factors are -3 and +5.
Actually, the correct factorization of the expression x^2 - 2x - 15 is (x - 5)(x + 3). The factors are 5 and -3, not -3 and 5 as you stated.
X^2-2x-15
=X^2-5x-3x-15
X(x-5)-3(x-5)
Factoring we have
(X+3)(x-5)
So therefore the factors are +3 and -5.
No, that is incorrect. The correct factorization of x^2 - 2x - 15 is indeed (x - 5)(x + 3), not (x + 3)(x - 5). The factors are 5 and -3, not 3 and -5 as you stated.