ac-5ad-5bc+25bd
a(c-5d)-5b(c-5d)
(a-5b)(c-5d)
FOIL
First (a*c=ac)
Outside (a*-5d=-5ad)
Inside (-5b*c=-5bc)
Last (-5b*-5d=25bd)
ac-5ad-5bc+25bd
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(2a + 3)(b - 3c)
A factor is a number or quantity that when multiplied with another produces a given number or expression.
The prefix giga- usually refers to a multiplying factor of one billion; a gigahertz is one billion cycles per second.
A factor is a number or quantity that when multiplied with another produces a given number or expression. A positive factor is a factor that is positive, as opposed to negative.
A factor is a number or quantity that when multiplied with another produces a given number or expression. Common factors are factors that two or more numbers have in common.