Evaluate
3\left(3b-2\right)\left(b+1\right)
Expand
9b^{2}+3b-6
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9b^{2}-6b+9b-6
Apply the distributive property by multiplying each term of 3b+3 by each term of 3b-2.
9b^{2}+3b-6
Combine -6b and 9b to get 3b.
9b^{2}-6b+9b-6
Apply the distributive property by multiplying each term of 3b+3 by each term of 3b-2.
9b^{2}+3b-6
Combine -6b and 9b to get 3b.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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