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erastova [34]
3 years ago
10

Multiply: (x – 4)(x + 5)

Mathematics
1 answer:
denpristay [2]3 years ago
3 0

Answer:

D.  x2 + x - 20.

Step-by-step explanation:

(x – 4)(x + 5).

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

= x2 + 5x – 4x – 20.

= x2 + x - 20.

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