20-x^2=-29

Simple and best practice solution for 20-x^2=-29 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 20-x^2=-29 equation: 


Simplifying
20 + -1x2 = -29

Solving
20 + -1x2 = -29

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -1x2 = -29 + -20

Combine like terms: 20 + -20 = 0
0 + -1x2 = -29 + -20
-1x2 = -29 + -20

Combine like terms: -29 + -20 = -49
-1x2 = -49

Divide each side by '-1'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}

See similar equations:

| A=0.5 | | 2x-6=1/2(4x-6) | | 85=173-v | | 26+x=43 | | 2x^2+69=51 | | 4(3m+2)=26 | | (3x-5)2=19 | | 25+x^2-10x=0 | | (x+1+x+1)/(x+1) | | 7x+3=5-2x | | -x^2-12x+27=0 | | -x-12x+27=0 | | x^3+x^2+16x=-16 | | y=2000x(0.5) | | x=2z-m/b | | x^2/18 | | y-120=600 | | -37+y=9.5 | | -7(w-8)=8w+26 | | 5x+0.050=-0.732 | | 2(w+5)-7w=30 | | x(x)+x(x)= | | 19=-9v-5+6v | | 9x^3+45x^2=0 | | -5+=3 | | 1/2(x+3)+1/3(2x+1)=4 | | 3x+14y=12 | | 3m^2+1=4m | | y=300/x | | 7x+1/-8=x-3/4 | | c^2-36=-5c | | 3x-2(-x-7)=-1 |

Equations solver categories