Evaluate
120\left(x-25\right)\left(x-20\right)
Expand
120x^{2}-5400x+60000
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\left(1500-60x\right)\left(40-2x\right)
Use the distributive property to multiply 30 by 50-2x.
60000-3000x-2400x+120x^{2}
Apply the distributive property by multiplying each term of 1500-60x by each term of 40-2x.
60000-5400x+120x^{2}
Combine -3000x and -2400x to get -5400x.
\left(1500-60x\right)\left(40-2x\right)
Use the distributive property to multiply 30 by 50-2x.
60000-3000x-2400x+120x^{2}
Apply the distributive property by multiplying each term of 1500-60x by each term of 40-2x.
60000-5400x+120x^{2}
Combine -3000x and -2400x to get -5400x.
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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