Evaluate
2\left(3x-7\right)\left(x+3\right)
Expand
6x^{2}+4x-42
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6x^{2}+18x-14x-42
Apply the distributive property by multiplying each term of 3x-7 by each term of 2x+6.
6x^{2}+4x-42
Combine 18x and -14x to get 4x.
6x^{2}+18x-14x-42
Apply the distributive property by multiplying each term of 3x-7 by each term of 2x+6.
6x^{2}+4x-42
Combine 18x and -14x to get 4x.
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