Question

Multiply: (x – 4)(x + 5)
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Answer 1

Answer:

(x-4)(x+5)

=x^2-4x+5x-20

=x^2+x-20

Answer 2

Answer:

x^2 + x - 20

Step-by-step explanation:

x^2- 4x +5x - 20

x^2 +x - 20