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Popular >

factor x^4-6x^2-7

Solution

factor

x^{4} - 6 x^{2} - 7

Solution

(x^{2} + 1) (x^{2} - 7)

Solution steps

x^{4} - 6 x^{2} - 7

Let

u = x^{2}

= u^{2} - 6 u - 7

Factor

u^{2} - 6 u - 7 : (u + 1) (u - 7)

= (u + 1) (u - 7)

Substitute back

u = x^{2}

= (x^{2} + 1) (x^{2} - 7)

Popular Examples

factor x^4-6x^2+5 factor

x^{4} - 6 x^{2} + 5

simplify (3x^3+5x^2-48x-80)/(x+4)simplify

\frac{3 x ^{3} + 5 x ^{2} - 48 x - 80}{x + 4}

expand (1+3x)^3 expand

(1 + 3 x)^{3}

simplify (4(x^5)^3)/(12x^9)simplify

\frac{4 ( x ^{5} ) ^{3}}{12 x ^{9}}

expand (3x-1)(x-2)expand

(3 x - 1) (x - 2)

Frequently Asked Questions (FAQ)

What is factor x^4-6x^2-7 ?
The solution to factor x^4-6x^2-7 is (x^2+1)(x^2-7)