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48x^{2}+144x-84
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48x^{2}+144x-84
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\left(24x-12\right)\left(2x+7\right)
Use the distributive property to multiply 4x-2 by 6.
48x^{2}+168x-24x-84
Apply the distributive property by multiplying each term of 24x-12 by each term of 2x+7.
48x^{2}+144x-84
Combine 168x and -24x to get 144x.
\left(24x-12\right)\left(2x+7\right)
Use the distributive property to multiply 4x-2 by 6.
48x^{2}+168x-24x-84
Apply the distributive property by multiplying each term of 24x-12 by each term of 2x+7.
48x^{2}+144x-84
Combine 168x and -24x to get 144x.
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