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Factor out the greatest common factor. If the greatest common factor is $1$ , just retype the polynomial. $\newline$ $2r^2 - 4$

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Factor out a monomial

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Q. Factor out the greatest common factor. If the greatest common factor is

1

, just retype the polynomial.

\newline

2r^2 - 4

Divide by GCF: Now we will divide each term of the polynomial by the GCF to factor it out. $\newline$ $2r^2 \div 2 = r^2$ $\newline$ $-4 \div 2 = -2$ $\newline$ So, the polynomial can be written as the GCF times the factored terms. $\newline$ $2r^2 - 4 = 2(r^2 - 2)$

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