If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
5x2 + -21 = 59
Reorder the terms:
-21 + 5x2 = 59
Solving
-21 + 5x2 = 59
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '21' to each side of the equation.
-21 + 21 + 5x2 = 59 + 21
Combine like terms: -21 + 21 = 0
0 + 5x2 = 59 + 21
5x2 = 59 + 21
Combine like terms: 59 + 21 = 80
5x2 = 80
Divide each side by '5'.
x2 = 16
Simplifying
x2 = 16
Take the square root of each side:
x = {-4, 4}
| 6v^2-27v=0 | | 15n^2+10n=0 | | -3(x-8)=-4(x+8) | | 3x(2x-3)=33 | | -7(-7k+2)=-14+2k | | 3x+45=6x | | 2u+4=88 | | 3x(3x-3)=33 | | 3x^2-21= | | 7x+2=3(x-2) | | -5x+2y=0 | | 11x+2y=116 | | 12+2y-4y=24 | | x+8x=-10+9-x | | 3x+6x=-18 | | 4x^2+y^2+2x-14y+14=0 | | 6m+45=63 | | -3(x+5)+2x=-15+x | | 10*30=60 | | 100=1x+5y | | 2m-23=15 | | 5.6+45=.09 | | 4v+15=103 | | 9999999999999999999999999999999999999999-499999999999999999999999999999999900=5999999999999999999999999 | | 10+6x=-8-4(x-7) | | 2y-3y=12 | | 10000000000025456547657+456546546545678998988656099756767566=3565465 | | 95048x-455=0.2 | | y=x-4-5x | | 8+u=5 | | y=x-4+5x | | G=JP |