Question

using the identity solve (x+4) (x-5)​

Answer 1

Answer:

x²−x−20

Step-by-step explanation:

(x+4)(x−5)

=(x+4)(x+−5)

=(x)(x)+(x)(−5)+(4)(x)+(4)(−5)

=x2−5x+4x−20

=x²−x−20

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Answer 2

I hope this answers very helpful to you

Step-by-step explanation:

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