For x2 + 3x - 18 = (x - 3)(x + a), what value of a would make this equation true?

Darkhogg asked Apr 2, 2023

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21 votes

For x2 + 3x - 18 = (x - 3)(x + a), what value
of a would make this equation true?

Darkhogg asked Apr 2, 2023

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27 votes

a=6

you can check be substituting the a value into (x-3)(x+a) once you substitute you can use foil to check and see if things make sense

Prabeen Giri answered Apr 6, 2023

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