Question

(x - 4)(x + 5) need help asap

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Answer 1

x (squared) +x−20

(x+−4)(x+5)=(x)(x)+(x)(5)+(−4)(x)+(−4)(5)=x(squared)+5x−4x−20=x2+x−20

Answer 2

`x^2+x-20`

Explanation:

`(x-4)(x+5)= \\\\(x)(x)+(5)(x)+(-4)(x)+(-4)(5)= \\\\x^2+5x-4x-20= \\\\x^2+x-20`

Hope this helps!