-2=-x^2+4

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


Simplifying
-2 = -1x2 + 4

Reorder the terms:
-2 = 4 + -1x2

Solving
-2 = 4 + -1x2

Solving for variable 'x'.

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

Add 'x2' to each side of the equation.
-2 + x2 = 4 + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-2 + x2 = 4 + 0
-2 + x2 = 4

Add '2' to each side of the equation.
-2 + 2 + x2 = 4 + 2

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

Combine like terms: 4 + 2 = 6
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}

See similar equations:

| (k+3)-(3k-5)=0 | | 363748+4758585858585858686858858584884848848488483838= | | 4k^2-4k-8=0 | | 4p+2k=2.50 | | 4=-x^2+4 | | 21a+24= | | m^5-m^4+2m^3+22m^2-35m+75=0 | | 1+3648285738493827= | | -21=-4-x | | 2y+y=45 | | 7P+k=3.50 | | 4(x+5)-5=8x+18/2 | | x^2-3x+3=-1 | | 3sec^2(x-2)=2 | | 9(3x+1)=3x-8x | | -4x+y=-42 | | (x-30)+x=180 | | 2t=t+20 | | 3x+y=85 | | 3(2y-5)=15 | | 3(27-12a+a^2)=0 | | -y^3+2y^2+12y=14 | | 7.7(x-1)=-0.3x+48.3 | | 3u-92=2u-76 | | 8*(x+6)=8 | | 5x+3*11=3 | | z+11=4z-55 | | 2x+3x=-20-10 | | 7(2x+7)-10= | | 2t-14=t+6 | | 0=2x^4-13x^3+38x^2+112x-64 | | .06*.06=x |

Equations solver categories