Question

Expand (2x -5)(x+5)

Answer 1

= 2x² + 5x - 25

Explanation:

(2x - 5)(x+5)

=2x*x + 2x*5 - 5*x - 5*5

=2x² + 10x - 5x - 25

= 2x² + 5x - 25

Answer 2

Explanation:

(2x -5)(x+5)

FOIL method: multiply first, outer, inner, last pairs:

`2x^2+10x-5x-25\\\\2x^2+5x-25\\`