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Popular >

factor x^4-2x^2-3

Solution

factor

x^{4} - 2 x^{2} - 3

Solution

(x^{2} + 1) (x^{2} - 3)

Solution steps

x^{4} - 2 x^{2} - 3

Let

u = x^{2}

= u^{2} - 2 u - 3

Factor

u^{2} - 2 u - 3 : (u + 1) (u - 3)

= (u + 1) (u - 3)

Substitute back

u = x^{2}

= (x^{2} + 1) (x^{2} - 3)

Popular Examples

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\frac{5}{89}

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30 x^{3} + 26 x^{2} + 4 x

x^{2} - 4 x - 21 \geq 0

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\frac{9 ^{7}}{9 ^{5}}

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49 n^{2} - 4

Frequently Asked Questions (FAQ)

What is factor x^4-2x^2-3 ?
The solution to factor x^4-2x^2-3 is (x^2+1)(x^2-3)