Factor
\left(11y^{2}-7x\right)\left(7x+11y^{2}\right)
Evaluate
121y^{4}-49x^{2}
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\left(11y^{2}-7x\right)\left(11y^{2}+7x\right)
Rewrite 121y^{4}-49x^{2} as \left(11y^{2}\right)^{2}-\left(7x\right)^{2}. The difference of squares can be factored using the rule: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\left(-7x+11y^{2}\right)\left(7x+11y^{2}\right)
Reorder the terms.
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
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Integration
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Limits
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