2x^2+5x=-4x-9

Simple and best practice solution for 2x^2+5x=-4x-9 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 2x^2+5x=-4x-9 equation:


Simplifying
2x2 + 5x = -4x + -9

Reorder the terms:
5x + 2x2 = -4x + -9

Reorder the terms:
5x + 2x2 = -9 + -4x

Solving
5x + 2x2 = -9 + -4x

Solving for variable 'x'.

Reorder the terms:
9 + 5x + 4x + 2x2 = -9 + -4x + 9 + 4x

Combine like terms: 5x + 4x = 9x
9 + 9x + 2x2 = -9 + -4x + 9 + 4x

Reorder the terms:
9 + 9x + 2x2 = -9 + 9 + -4x + 4x

Combine like terms: -9 + 9 = 0
9 + 9x + 2x2 = 0 + -4x + 4x
9 + 9x + 2x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
9 + 9x + 2x2 = 0

Factor a trinomial.
(3 + x)(3 + 2x) = 0

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {-3, -1.5}

See similar equations:

| X-3/4=9/2 | | (7m^-2/m^-3)^-2*m^3/4 | | f(x)=4x+3g(x)-2x | | -8+2x=8 | | 5x-13=3x | | 90=-7(8+5k)-4(10k+1) | | 3y(y-8)+2(y+7)=2 | | (X-5)(x+2)(x+2)=0 | | 3-x/8=x/3+x | | -6(1-x)+4(8+2x)=-86 | | .07x+.12y=20 | | 4xsquared-21x+39=3x+4 | | b^2-3b-70=0 | | 10x-8=5x-30 | | -2(x-4)-x=(4x-10) | | 4x+36y=-12 | | (15x-5)-(8x+4)=7x-13 | | Y^7/y^-4 | | Y7/y-4 | | 5x+78=3x+46 | | -78=-9(b+8)+4(b-9) | | -15+5n=-6+2n | | 7x+257=4x+99 | | 8k-(6k-13)= | | -(3x+2)-(8x-3)=8-(5x+1) | | -9(2)-(-3)(-4)= | | 2(8+9x)=5(6+4x) | | -12x-9+24+4=43 | | y+0=-3/4x+(3/4)*4 | | 24=y/3 | | 2x/3+1x/4=6 | | -19x-9+24x+4=43 |

Equations solver categories