Evaluate
\left(3x-7\right)\left(3x-5\right)
Expand
9x^{2}-36x+35
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9x^{2}-36x+36-1
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-6\right)^{2}.
9x^{2}-36x+35
Subtract 1 from 36 to get 35.
9x^{2}-36x+36-1
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(3x-6\right)^{2}.
9x^{2}-36x+35
Subtract 1 from 36 to get 35.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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