Evaluate
\left(2m-7\right)\left(2m+1\right)
Expand
4m^{2}-12m-7
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4\left(m^{2}-2m+1\right)-4m-11
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(m-1\right)^{2}.
4m^{2}-8m+4-4m-11
Use the distributive property to multiply 4 by m^{2}-2m+1.
4m^{2}-12m+4-11
Combine -8m and -4m to get -12m.
4m^{2}-12m-7
Subtract 11 from 4 to get -7.
4\left(m^{2}-2m+1\right)-4m-11
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(m-1\right)^{2}.
4m^{2}-8m+4-4m-11
Use the distributive property to multiply 4 by m^{2}-2m+1.
4m^{2}-12m+4-11
Combine -8m and -4m to get -12m.
4m^{2}-12m-7
Subtract 11 from 4 to get -7.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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