Evaluate
\frac{25x^{2}}{4}-1
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\frac{25x^{2}}{4}-1
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2.5x+6.25x^{2}-1-2.5x
Apply the distributive property by multiplying each term of 2.5x-1 by each term of 1+2.5x.
6.25x^{2}-1
Combine 2.5x and -2.5x to get 0.
2.5x+6.25x^{2}-1-2.5x
Apply the distributive property by multiplying each term of 2.5x-1 by each term of 1+2.5x.
6.25x^{2}-1
Combine 2.5x and -2.5x to get 0.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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