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Popular >

factor 25x^4-15x^2-4

Solution

factor

25 x^{4} - 15 x^{2} - 4

Solution

(5 x^{2} + 1) (5 x^{2} - 4)

Solution steps

25 x^{4} - 15 x^{2} - 4

Let

u = x^{2}

= 25 u^{2} - 15 u - 4

Factor

25 u^{2} - 15 u - 4 : (5 u + 1) (5 u - 4)

= (5 u + 1) (5 u - 4)

Substitute back

u = x^{2}

= (5 x^{2} + 1) (5 x^{2} - 4)

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a^{2} \cdot b^{4} + a^{4} \cdot b^{2}

simplify (x+1)2+(x-1)2 simplify

(x + 1) 2 + (x - 1) 2

Frequently Asked Questions (FAQ)

What is factor 25x^4-15x^2-4 ?
The solution to factor 25x^4-15x^2-4 is (5x^2+1)(5x^2-4)