Evaluate
15
Factor
3\times 5
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\frac{18+2}{3}\times \frac{2\times 4+1}{4}
Multiply 6 and 3 to get 18.
\frac{20}{3}\times \frac{2\times 4+1}{4}
Add 18 and 2 to get 20.
\frac{20}{3}\times \frac{8+1}{4}
Multiply 2 and 4 to get 8.
\frac{20}{3}\times \frac{9}{4}
Add 8 and 1 to get 9.
\frac{20\times 9}{3\times 4}
Multiply \frac{20}{3} times \frac{9}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{180}{12}
Do the multiplications in the fraction \frac{20\times 9}{3\times 4}.
15
Divide 180 by 12 to get 15.
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y = 3x + 4
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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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