Evaluate
9x^{2}-6x-2
Expand
9x^{2}-6x-2
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9x^{2}-12x+4+6\left(x-1\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-2\right)^{2}.
9x^{2}-12x+4+6x-6
Use the distributive property to multiply 6 by x-1.
9x^{2}-6x+4-6
Combine -12x and 6x to get -6x.
9x^{2}-6x-2
Subtract 6 from 4 to get -2.
9x^{2}-12x+4+6\left(x-1\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-2\right)^{2}.
9x^{2}-12x+4+6x-6
Use the distributive property to multiply 6 by x-1.
9x^{2}-6x+4-6
Combine -12x and 6x to get -6x.
9x^{2}-6x-2
Subtract 6 from 4 to get -2.
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