Factor
\left(2x^{2}-1\right)^{2}
Evaluate
\left(2x^{2}-1\right)^{2}
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\left(2x^{2}-1\right)^{2}
Use the perfect square formula, a^{2}-2ab+b^{2}=\left(a-b\right)^{2}, where a=2x^{2} and b=1. Polynomial 2x^{2}-1 is not factored since it does not have any rational roots.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Integration
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Limits
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