9x^2+10+21x=0

Simple and best practice solution for 9x^2+10+21x=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 9x^2+10+21x=0 equation:


Simplifying
9x2 + 10 + 21x = 0

Reorder the terms:
10 + 21x + 9x2 = 0

Solving
10 + 21x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5 + 3x)(2 + 3x) = 0

Subproblem 1

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-1.666666667, -0.6666666667}

See similar equations:

| 5(m-4)+2m=27 | | -5a^2b^2(2a^2b^2-5a+2b)= | | 72x^2+192x=0 | | 5s=7s+1-2z | | -3-x-x=1-x | | x(x-15)=-54 | | 12-3v=6 | | 5*s=7*s+1-2*s | | 125+2x-13=180 | | (4y+6)=0 | | (X-3)(x-3)=5 | | 10u-84=4u | | 9p-3(5p+10)= | | 8x-3=-21 | | 3x=12.6 | | 2y-3y=8bygraph | | 2+5*y-3=34 | | 9y=da | | -2p+5.8=3.6 | | 9(x-4)=9x-23 | | -9y=da | | 28+47+x=180 | | -8+3n=n+6-6 | | x/8+x/16+2x/64= | | 6x^2-2xy+7y^2=4 | | 3+4*w=9-w*2 | | 19x-38=6x+90 | | 31+31.5+x=180 | | y=3x-24 | | 31+28+x=90 | | -7x+9=2x+3 | | 18z+483=462 |

Equations solver categories