Evaluate
\left(2a-3b-10\right)\left(2a-3b+3\right)
Expand
4a^{2}-12ab-14a+9b^{2}+21b-30
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4a^{2}-12ab+9b^{2}-7\left(2a-3b\right)-30
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(2a-3b\right)^{2}.
4a^{2}-12ab+9b^{2}-14a+21b-30
Use the distributive property to multiply -7 by 2a-3b.
4a^{2}-12ab+9b^{2}-7\left(2a-3b\right)-30
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(2a-3b\right)^{2}.
4a^{2}-12ab+9b^{2}-14a+21b-30
Use the distributive property to multiply -7 by 2a-3b.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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