Evaluate
\frac{\left(x^{2}-9\right)\left(x^{2}-4\right)}{-x^{4}+17x^{2}-16}
Expand
\frac{x^{4}-13x^{2}+36}{-x^{4}+17x^{2}-16}
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\frac{x^{4}-13x^{2}+36}{-x^{4}+17x^{2}-16}
Use the distributive property to multiply x^{2}-4 by x^{2}-9 and combine like terms.
\frac{x^{4}-13x^{2}+36}{-x^{4}+17x^{2}-16}
Use the distributive property to multiply x^{2}-4 by x^{2}-9 and combine like terms.
Examples
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Linear equation
y = 3x + 4
Arithmetic
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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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