Evaluate
\left(3a-8b\right)\left(8a-7b\right)
Expand
24a^{2}-85ab+56b^{2}
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24a^{2}-64ab-21ba+56b^{2}
Apply the distributive property by multiplying each term of 8a-7b by each term of 3a-8b.
24a^{2}-85ab+56b^{2}
Combine -64ab and -21ba to get -85ab.
24a^{2}-64ab-21ba+56b^{2}
Apply the distributive property by multiplying each term of 8a-7b by each term of 3a-8b.
24a^{2}-85ab+56b^{2}
Combine -64ab and -21ba to get -85ab.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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