If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
10x2 + 9 = 21
Reorder the terms:
9 + 10x2 = 21
Solving
9 + 10x2 = 21
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-9' to each side of the equation.
9 + -9 + 10x2 = 21 + -9
Combine like terms: 9 + -9 = 0
0 + 10x2 = 21 + -9
10x2 = 21 + -9
Combine like terms: 21 + -9 = 12
10x2 = 12
Divide each side by '10'.
x2 = 1.2
Simplifying
x2 = 1.2
Take the square root of each side:
x = {-1.095445115, 1.095445115}
| xy+yz+zx-xyz=2 | | 5y+5=6y+4 | | 5y+1=19 | | 25=17r-r^2 | | 4x+2y-2x+5y-3= | | -4x+7=3x-28 | | 7x-1=x+41 | | 4x+3=-2x+15 | | X=4p+4p^3 | | 3c-14=13 | | 3z/7-8=-1 | | 2x-8+2=x+1 | | X/9-4=2 | | x^2-5*x+2*x=0 | | 250x*x*x+2x-5=0 | | 7y-56=21-12y | | (x+1)(xy-2)=11 | | 2m+4=5(-4-2m) | | 3x-7=-1whatisx | | f(x)=2logx-3 | | w^2+w=42 | | 0=y-7 | | 5+6x+3x=-4-3x | | e(2x)-2e(x)*x-1=0 | | 2a*3a=216 | | 2x^3+5x+8x^2+20=0 | | k=20x-2x^2 | | 6=9-y | | rx+s=qx+d | | 18a^3b^2/2ab^2 | | X^2+y^2+4x-6y+5=0 | | 2x^2-20x+k=0 |