5x^2+9x+4=0

Simple and best practice solution for 5x^2+9x+4=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 5x^2+9x+4=0 equation:


Simplifying
5x2 + 9x + 4 = 0

Reorder the terms:
4 + 9x + 5x2 = 0

Solving
4 + 9x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + x)(4 + 5x) = 0

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(4 + 5x)' equal to zero and attempt to solve: Simplifying 4 + 5x = 0 Solving 4 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5x = 0 + -4 5x = 0 + -4 Combine like terms: 0 + -4 = -4 5x = -4 Divide each side by '5'. x = -0.8 Simplifying x = -0.8

Solution

x = {-1, -0.8}

See similar equations:

| 35x^2-18x-5=0 | | x^2+2x=A(x^2-2)+(Bx+C)(2x-4) | | 6x^2-19x+14=0 | | 16a^3-4a^2+64a+36=0 | | 6p^2+9p-45=0 | | 6x^2+9p-45=0 | | 4x^2=20x-25 | | x^2+16x+64=0 | | x^2+14x+49=0 | | 5x^2=-8x | | 9x^2=-7x | | 9x^2=-7 | | x^2=23x | | x^2-7x=18 | | x^2-3x-40=0 | | 4-x^5=18 | | S=2x^2-12x+86 | | x^2+2x+2=0 | | (4x^2-6)=(-2x^2+19x) | | 20=-4x^2+4x+15 | | (X-11)(x^2+7x-8)= | | K^3-12=-15 | | Y^2+4=6 | | X^2-4=16 | | 5p+4p^2=-1 | | 4=36x^2 | | 0=-x^2-11x-30 | | 0=2x^2-25x+12 | | 25X^2-20X=-4 | | -8X+16X^2=-1 | | 16-8X+X^2=0 | | 9X^2-6X+1=0 |

Equations solver categories