What is factor 2x^4-6x^2-5x^2+15 ?

The solution to factor 2x^4-6x^2-5x^2+15 is (2x^2-5)(x^2-3)

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factor 2x^4-6x^2-5x^2+15

factor

2 x^{4} - 6 x^{2} - 5 x^{2} + 15

(2 x^{2} - 5) (x^{2} - 3)

Solution steps

2 x^{4} - 6 x^{2} - 5 x^{2} + 15

Add similar elements:

- 6 x^{2} - 5 x^{2} = - 11 x^{2}

= 2 x^{4} - 11 x^{2} + 15

Let

u = x^{2}

= 2 u^{2} - 11 u + 15

Factor

2 u^{2} - 11 u + 15 : (2 u - 5) (u - 3)

= (2 u - 5) (u - 3)

Substitute back

u = x^{2}

= (2 x^{2} - 5) (x^{2} - 3)

9 x^{2} y^{2} - 6 x^{2} y

\frac{32 + 18 + 8}{- 2}

\frac{1}{z + 4} + \frac{3}{z - 5}

4 \frac{4}{8}

\frac{x - 5}{x - 2} + \frac{x + 1}{x - 2}

What is factor 2x^4-6x^2-5x^2+15 ?
The solution to factor 2x^4-6x^2-5x^2+15 is (2x^2-5)(x^2-3)