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Popular >

factor d^4+18d^2+81

Solution

factor

d^{4} + 18 d^{2} + 81

Solution

(d^{2} + 9)^{2}

Solution steps

d^{4} + 18 d^{2} + 81

Let

u = d^{2}

= u^{2} + 18 u + 81

Factor

u^{2} + 18 u + 81 : (u + 9)^{2}

= (u + 9)^{2}

Substitute back

u = d^{2}

= (d^{2} + 9)^{2}

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Frequently Asked Questions (FAQ)

What is factor d^4+18d^2+81 ?
The solution to factor d^4+18d^2+81 is (d^2+9)^2