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Popular >

factor x^4+15x^2+56

Solution

factor

x^{4} + 15 x^{2} + 56

Solution

(x^{2} + 7) (x^{2} + 8)

Solution steps

x^{4} + 15 x^{2} + 56

Let

u = x^{2}

= u^{2} + 15 u + 56

Factor

u^{2} + 15 u + 56 : (u + 7) (u + 8)

= (u + 7) (u + 8)

Substitute back

u = x^{2}

= (x^{2} + 7) (x^{2} + 8)

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Frequently Asked Questions (FAQ)

What is factor x^4+15x^2+56 ?
The solution to factor x^4+15x^2+56 is (x^2+7)(x^2+8)