Question

(x+7)(x-9) multiply​

Answer 1

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Multiplying:-

(x+7)(x-9)

Step by step:-

x(x-9)+7(x-9)

x²-9x+7x-63

Answer :-

x²-2x-63

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Answer 2

1.x(x-9)+7(x-9)

therefore,

x^2-9x+7x-63

=x^2-2x-63

that is the answer

HOPE IT HELPS.