Question

Multiply: (x – 4)(x + 5)
​

Answer 1

Answer:

$\huge\color{pink}\boxed{\colorbox{Black}{❥ Answer}}$

(x−4)(x+5)

=x(x+5)−4(x+5)

=x2+5x−4x−20

=x2+x−20

Answer 2

Answer:

(x – 4)(x + 5).

==> x(x + 5 ) - 4( x + 5 ) .

==> x square + 5x - 4x - 20.

==> x square + x - 20.

Thank you!