Question

QUESTION - Multiply: (x – 4)(x + 5) (a) x2 + 5x - 20 For a follow and like most/all of ur answers follow me and thanks all my question. I'll do the same :)

Answer 1

Answer:

x²+x-20

Step-by-step explanation:

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(x-4)(x+5)

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

=x²+5x-4x-20

=>x²+x-20

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Answer 2

Answer:

( x - 4) ( x + 5)

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

= x² + 5x - 4x - 20

= x² + 9x - 20

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