Factor -4m^2+8m+140

Math
-4m2+8m+140
Factor -4 out of -4m2+8m+140.
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Factor -4 out of -4m2.
-4(m2)+8m+140
Factor -4 out of 8m.
-4(m2)-4(-2m)+140
Factor -4 out of 140.
-4(m2)-4(-2m)-4(-35)
Factor -4 out of -4(m2)-4(-2m).
-4(m2-2m)-4(-35)
Factor -4 out of -4(m2-2m)-4(-35).
-4(m2-2m-35)
-4(m2-2m-35)
Factor.
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Factor m2-2m-35 using the AC method.
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Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is -35 and whose sum is -2.
-7,5
Write the factored form using these integers.
-4((m-7)(m+5))
-4((m-7)(m+5))
Remove unnecessary parentheses.
-4(m-7)(m+5)
-4(m-7)(m+5)
Factor -4m^2+8m+140

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