7x^2+2+9x=0

Simple and best practice solution for 7x^2+2+9x=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 7x^2+2+9x=0 equation:


Simplifying
7x2 + 2 + 9x = 0

Reorder the terms:
2 + 9x + 7x2 = 0

Solving
2 + 9x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + x)(2 + 7x) = 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 '(2 + 7x)' equal to zero and attempt to solve: Simplifying 2 + 7x = 0 Solving 2 + 7x = 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 + 7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7x = 0 + -2 7x = 0 + -2 Combine like terms: 0 + -2 = -2 7x = -2 Divide each side by '7'. x = -0.2857142857 Simplifying x = -0.2857142857

Solution

x = {-1, -0.2857142857}

See similar equations:

| f=(x+5) | | -23-x=-23 | | 2x-5x-18=27 | | 10*3=y | | psquared-8=0 | | 1.3-0.5x=-3.41 | | 7-(4z-3)=3z+1 | | -3x-5(-2x-16)=31 | | 12019201921091033903910391039130193091013019301930390910910390913*x=9 | | 12-3x+4x-1=10 | | 3x+2-x+3=5 | | x+-17=-4 | | 15-6p-19= | | pot*ato=9038032 | | -17-7c=-7-3(x+8) | | 10x+5y=165 | | 1.6=1.28 | | 64-7i= | | 5(2x-y)-3(3x-7)=6 | | -3x-5(2x-16)=31 | | 4-d=-(4-d) | | 190+x=0209329023903298320 | | -6x-(1-5x)=8(8+x)-4x | | 6+.10=0.15x+8 | | 2(w-4)-4w=-10 | | -7(-8x+2)= | | 7x+1=5(2x-10) | | X-5y=2.45 | | 1z-131=21 | | S=BA-6 | | 1.3-0.5x= | | 4(8b)= |

Equations solver categories