If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
K2 = 450
Solving
K2 = 450
Solving for variable 'K'.
Move all terms containing K to the left, all other terms to the right.
Simplifying
K2 = 450
Take the square root of each side:
K = {-21.213203436, 21.213203436}
| f(x)=x^2-14+45 | | (1/2)x+4=(2/3)x | | F^2=441 | | -m+17=7 | | y=-2(9.5+0.5y)+25 | | 2x-4(x-3)=-5+2x+9 | | Y^2=0.36 | | 2/3y+1/3y=19 | | H^2=115 | | f(x)=x^2+14+45 | | -8m-11m=-9 | | 3x-60=87 | | D^2=169 | | 3x-9=-4x+4 | | 1s/15=1s/5-4 | | f(x)=-x^2-5x-10 | | B^2=4.41 | | 2/3n-1/3n=6 | | .5(2n+6)=-12-n | | G^2=76 | | 10b-25-3d=4b-1 | | 2x-3(x+6)=-(x-1) | | 5x+2=3x+-4 | | 5h-9=3h+15 | | 54+x=65x | | 8(-8r-2)=-144 | | -7(1+2x)=105 | | 8a+3=-122 | | 10/8t=1t | | 2+4(2r-8)=-94 | | 4(a+1)=5(2-a) | | -x+10=x+32 |