Question

A) Expand and simplify (x + 4)(x - 7)​

Answer 1

X x X=x²

X x -7=-7x

4 x X=4x

4 x -7=-28

-7x + 4x=-3x

x² + -3x -28

hope that helped :)

Explanation:

Answer 2

(x + 4)(x - 7) = x^2 - 7x + 4x - 28

= x^2 - 3x - 28