Multiply the binomial (3x-2)(3x+2)

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asked Apr 27, 2018 89.5k views

1 Answer

Nikita Jajodia · Answer 1 · 2018-05-02T23:48:50+0000

Multiply every term of the left binomial by every term of the right binomial.

(3x - 2)(3x + 2) =

= 3x * 3x + 3x * 2 + (-2) * 3x + (-2) * 2

Do the four multiplications.

= 9x^2 + 6x - 6x - 4

Now combine like terms.

= 9x^2 - 4

Multiply the binomial (3x-2)(3x+2)

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