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3 years ago

I need help with the first question please.

Mathematics

1 answer:

Viktor [21]3 years ago

4 0

Answer:

x^2 - 13x + 36

Step-by-step explanation:

Use the so-called FOIL method: multiply First terms, Outer terms, Inner terms, Last terms.

First terms: (x)(x) = x^2

Outer terms: (x)(-9) = -9x

Inner terms: (-4)(x) = -4x

Last terms: (-9)(-4) = 36

Combining the x terms, we get

x^2 - 13x + 36

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