If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
5x2 + -7 = 218
Reorder the terms:
-7 + 5x2 = 218
Solving
-7 + 5x2 = 218
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 + 5x2 = 218 + 7
Combine like terms: -7 + 7 = 0
0 + 5x2 = 218 + 7
5x2 = 218 + 7
Combine like terms: 218 + 7 = 225
5x2 = 225
Divide each side by '5'.
x2 = 45
Simplifying
x2 = 45
Take the square root of each side:
x = {-6.708203933, 6.708203933}
| x^2-xy+12y^2=42 | | 5x-3=4w+2 | | 2s(s-5)=2(s+5) | | 6x+2y=-18 | | 8m-14+3m=19 | | X=8x-117 | | 71=-34+1 | | (-5x+3)(2x+7)=0 | | 2=2n-10 | | -3(-8w+3)-6w=6(w-3)-1 | | -1X^2+11X-24=0 | | 14k+3(6-2k)=12 | | A^2-6a=-5 | | (9-w)(2w-3)=0 | | -4y-12=-2(y+1) | | -x^2+44x-96=0 | | 2[3s+1]=68 | | 7t+17t=48 | | -8u+4(u-6)=-32 | | 8x-6=12+5x | | 2X^2+6X+15=0 | | -4x+44x-96=0 | | 3i(4+i)=0 | | 4.5x=55.8 | | 3[2l+2]=18 | | -4k+10=-2k | | 4x^2+20-144=0 | | .5x-4=2x-37 | | 6x+9y=213 | | 55.8x=4.5 | | p(x)=ax^2+6x-1 | | 2[a-10]=4 |