en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor y^4-3y^2-28

Solution

factor

y^{4} - 3 y^{2} - 28

Solution

(y^{2} + 4) (y^{2} - 7)

Solution steps

y^{4} - 3 y^{2} - 28

Let

u = y^{2}

= u^{2} - 3 u - 28

Factor

u^{2} - 3 u - 28 : (u + 4) (u - 7)

= (u + 4) (u - 7)

Substitute back

u = y^{2}

= (y^{2} + 4) (y^{2} - 7)

Popular Examples

simplify-699[-2(132+84)-4(-52+(-108))]+499 simplify

- 699 [- 2 (132 + 84) - 4 (- 52 + (- 108))] + 499

simplify (3+9i)/(1+i)simplify

\frac{3 + 9 i}{1 + i}

x^2-11x+68=5x+5

x^{2} - 11 x + 68 = 5 x + 5

x^{2} - x \leq 0

3 (s + 2) - s = 38

Frequently Asked Questions (FAQ)

What is factor y^4-3y^2-28 ?
The solution to factor y^4-3y^2-28 is (y^2+4)(y^2-7)