How do you multiply $(3x - 2)(3x + 2)$ ?

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Answer 1 · 2018-04-03T05:39:35

$9x^2-4$

Multiply the numbers in the first polynomial by the ones in the second polynomial and then, combine the like terms.

$(3x-2)(3x+2)$
$9x^2+6c-6c-4$
$9x^2-4$

How do you multiply (3x - 2)(3x + 2)(3x - 2)(3x + 2)?