If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
-5b2 = -490
Solving
-5b2 = -490
Solving for variable 'b'.
Move all terms containing b to the left, all other terms to the right.
Divide each side by '-5'.
b2 = 98
Simplifying
b2 = 98
Take the square root of each side:
b = {-9.899494937, 9.899494937}
| x^2-7-3=0 | | -4(2y+11)=92 | | 9x^2+36x-18=0 | | 8-x=12.5-2.5x | | -10n^2=-220 | | 2.57x+2.57=5.14 | | -5-44k^2=-293 | | 9x^2+36-18=0 | | X^2-kx+2=0 | | y=100x+700 | | 3x^2+100x+625=0 | | 7x^2-10=298 | | 3x^2+2=86 | | (x-0.2x)20=170 | | 9a^2-8=622 | | -4x-2y=5 | | 9x^2-6=399 | | 6(3x+5)+2x+3=5 | | 5x+9y+10z=90 | | 4Z-16=-20 | | 3x^2-100x-625=0 | | 35x+14=25x-6 | | 3(x-20)=5 | | 8m-4=59+m | | 2+3x=12+12x | | 8-4(6x-8)=3 | | w-44=1 | | -17=4x-3y | | c-68=-65 | | K^2-28=-3k | | x+2x^2-4x+3= | | -3(x-3x)=2(-4x+7) |