Factor 4m^2-36

Math
4m2-36
Factor 4 out of 4m2-36.
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Factor 4 out of 4m2.
4(m2)-36
Factor 4 out of -36.
4m2+4⋅-9
Factor 4 out of 4m2+4⋅-9.
4(m2-9)
4(m2-9)
Rewrite 9 as 32.
4(m2-32)
Factor.
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Since both terms are perfect squares, factor using the difference of squares formula, a2-b2=(a+b)(a-b) where a=m and b=3.
4((m+3)(m-3))
Remove unnecessary parentheses.
4(m+3)(m-3)
4(m+3)(m-3)
Factor 4m^2-36

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