7x^2+9-2=0

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


Simplifying
7x2 + 9 + -2 = 0

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

Combine like terms: 9 + -2 = 7
7 + 7x2 = 0

Solving
7 + 7x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 7x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 7x2 = 0 + -7
7x2 = 0 + -7

Combine like terms: 0 + -7 = -7
7x2 = -7

Divide each side by '7'.
x2 = -1

Simplifying
x2 = -1

Reorder the terms:
1 + x2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 2+5(6v-5)=31 | | 4.9t^2+29t=0 | | 6x-37=12x-64 | | -4.9t^2+29t=0 | | 16x^4+48= | | 6w+.75(4w+8)=-32 | | 4(6q+16)=8(3q+8) | | 6p(6p+2)-6(1-2p)= | | v^2+10v-19=0 | | 3.2(2x+5)=86.4 | | 37-6x=5-10x | | 45s=5+5s | | 2x=68x | | 0=(x+3)(x+3) | | 6+2(3x-2)=14-2x | | 11x-5=6x+6 | | 15x^2-44x-36=0 | | 2x+4=-10+4x | | 1-4t-t=0 | | 12-7a=-31 | | 56x^4-8x^3= | | 8x^2+32=32x | | (3x+10)=10 | | 4y+2y=18 | | 4x+10=-35-5x | | x+12y=-7 | | 12k+8= | | 9h-8=-6h+7 | | 9m+6=96 | | (a-5)(4a+1)=0 | | (2x+3)(2x+3)-36=0 | | 3(4x+6)-2=12x+16 |

Equations solver categories