If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
x * x + 4 = 80
Multiply x * x
x2 + 4 = 80
Reorder the terms:
4 + x2 = 80
Solving
4 + x2 = 80
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + x2 = 80 + -4
Combine like terms: 4 + -4 = 0
0 + x2 = 80 + -4
x2 = 80 + -4
Combine like terms: 80 + -4 = 76
x2 = 76
Simplifying
x2 = 76
Take the square root of each side:
x = {-8.717797887, 8.717797887}
| 336x=5376 | | 21=6.6 | | 0.40+a+0.40+b= | | ax+3x=bx+5forx | | 0.3125-x-0.75=0.5625 | | 5x-3x+12=180 | | -2x+7+5x=19 | | -14+x=-8 | | 5x-6+x+2+2x=180 | | -2x+3-3=6-2x | | 6x-10=23-9x | | 0.40a+0.40b= | | -2x+3-6=6-2x | | 49.4-(14.1x^2)=x^2 | | 8y-9=8y | | 8(t)=-16t^2+22t+6 | | 4(3+5x)-4=108 | | (14.1x^2)=x^2 | | 4x+2-7x-19=180 | | 4(4)+5=6.6 | | (8x-36)-5x=(5x+21)-5x | | -x-4+2x+20=10 | | x(15x+3)=2x | | -2x+3+3=6-2x | | r^3+4r=0 | | sqrt(14.1x^2)=x | | a*4+7=16 | | 7x-2x+27=180 | | 5ft=15yrds | | (19sinx)=15 | | 6n+7=15 | | .846x=.2538 |