Find the LCM.
-$x ^ { 2 } - 7 x + 10,4 x - 20$
A) $4 ( x + 2 ) ( x + 5 )$
B) $4 ( x - 2 ) ( x + 5 )$
C) $4 ( x + 2 ) ( x - 5 )$
D) $4 ( x - 2 ) ( x - 5 )$

Name: Find the LCM. -$x ^ { 2 } - 7 x + 10,4 x - 20$ A) $4 ( x + 2 ) ( x + 5 )$ B) $4 ( x - 2 ) ( x + 5 )$ C) $4 ( x + 2 ) ( x - 5 )$ D) $4 ( x - 2 ) ( x - 5 )$
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Question

Quizplus · Accepted Answer

The LCM is found by factoring both expressions: $x^2 - 7x + 10 = (x - 2)(x - 5)$ and $4x - 20 = 4(x - 5)$. The LCM is $4(x - 2)(x - 5)$.

Find the LCM x2−7x+10,4x−20x ^ { 2 } - 7 x + 10,4 x - 20x2−7x+10,4x−20

Find the LCM $x ^ { 2 } - 7 x + 10,4 x - 20$