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15x^{2}+28x-12
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15x^{2}+28x-12
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15x^{2}+18x-2\left(6-5x\right)
Use the distributive property to multiply 3x by 5x+6.
15x^{2}+18x-12+10x
Use the distributive property to multiply -2 by 6-5x.
15x^{2}+28x-12
Combine 18x and 10x to get 28x.
15x^{2}+18x-2\left(6-5x\right)
Use the distributive property to multiply 3x by 5x+6.
15x^{2}+18x-12+10x
Use the distributive property to multiply -2 by 6-5x.
15x^{2}+28x-12
Combine 18x and 10x to get 28x.
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 ) }
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Limits
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