X^2+7=8

Simple and best practice solution for X^2+7=8 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 X^2+7=8 equation:


Simplifying
X2 + 7 = 8

Reorder the terms:
7 + X2 = 8

Solving
7 + X2 = 8

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 + X2 = 8 + -7

Combine like terms: 7 + -7 = 0
0 + X2 = 8 + -7
X2 = 8 + -7

Combine like terms: 8 + -7 = 1
X2 = 1

Simplifying
X2 = 1

Take the square root of each side:
X = {-1, 1}

See similar equations:

| w.7+3=-1 | | a.5-2=9 | | -d.6+12=-7 | | 3x^2+14x-5= | | 5+x.4=1 | | -h.3-4=13 | | n.3-8=-2 | | 4xy^2+16xy-180x= | | 12t^2+4t= | | 3x^2+14x-8=0 | | x^3-5x^2-10x+50= | | 2x+6x=-5 | | -19x=-57 | | 6x^2-30xy+5xy-25y^2= | | 5n-12=-4+4n | | 8=-12+k.-4 | | y=-90x+180 | | 4b+8.-2=8 | | g.-5+3=-13 | | x^2+7x-120=0 | | 8+3n.12=13 | | x(y+3)-7(y+3)= | | 16=d-12.14 | | -20x-4=20x+5+4 | | 6n+3=-9 | | 7x-15=6x-15 | | 9x-5(0)=-10 | | 9(-1)-5y=-10 | | 9(3)-5y=-10 | | -1.8=3.4 | | 9(0)-5y=-10 | | 9(1)-5y=-10 |

Equations solver categories