Question

Activity : Find the factors of the following polynomials.

(1) x2 - 4 x - 5 (2) 2m2 - 5 m (3) a2 - 25​

Answer 1

Explanation:

1) x^2-5x+x-5

=x(x-5)+1 (x-5)

=(x+1)(x-5)

3) a^2-25

= a^2-(5)^2

= (a+5)(a-5)