If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
15x2 + 20 = 40
Reorder the terms:
20 + 15x2 = 40
Solving
20 + 15x2 = 40
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-20' to each side of the equation.
20 + -20 + 15x2 = 40 + -20
Combine like terms: 20 + -20 = 0
0 + 15x2 = 40 + -20
15x2 = 40 + -20
Combine like terms: 40 + -20 = 20
15x2 = 20
Divide each side by '15'.
x2 = 1.333333333
Simplifying
x2 = 1.333333333
Take the square root of each side:
x = {-1.154700538, 1.154700538}
| y=4(y-1)2 | | t=3t+1 | | a^2+a-1=0 | | 2(8x-2)=6 | | 9x-3-6x=12 | | -5-9n+6= | | -3(7p+6)-2(5-20p)=3(9+6p) | | c^2=a^2+b^2 | | (n+4)*9=54 | | (n-9)*5=40 | | 13x=8x+40 | | 7(t-5)+7t=7(2t+3)-11 | | 6x=4x+10 | | 3(3x-4)=12 | | -6x^4-4x^2+2=0 | | 18+1.50n=34.50 | | (z+1)(z-12)=11(z-3) | | x^2+36-12x=0 | | 11-3x^2+7x-4=8x+1 | | 3(f+11)=-7.5-6f | | .5x-5+.5x-10=10 | | 144x^4+1152x^2-6912=0 | | 3.59-4.2=4.7a | | 4(y+3)=30 | | 5x^2+4=60 | | -3x+5=-25 | | -4+10y+12=4(2y-4)-6 | | 5x^2+4-60=0 | | 2t+9-11t+33+28=0 | | 4-6x=-44 | | p+3-5=6p-10p | | 21+16x-6x-12=109 |