Question

splitting the middle term
x2-3x-10
​

Answer 1

Answer:

x^2-5x+2x-10

=x(x-5)+2(x-5)

=(x-5)(x+2)

Answer 2

Answer:

x^2 - 3x - 10

=x^2 + x(-5+2) - 10

=(x-5) (x+2)