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4x^{2}-3ax+4x-12a
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4x^{2}-3ax+4x-12a
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4x^{2}-\left(3ax-4x\right)-12a
Use the distributive property to multiply 3a-4 by x.
4x^{2}-3ax+4x-12a
To find the opposite of 3ax-4x, find the opposite of each term.
4x^{2}-\left(3ax-4x\right)-12a
Use the distributive property to multiply 3a-4 by x.
4x^{2}-3ax+4x-12a
To find the opposite of 3ax-4x, find the opposite of each term.
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