If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
5x2 + 75 = 90
Reorder the terms:
75 + 5x2 = 90
Solving
75 + 5x2 = 90
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-75' to each side of the equation.
75 + -75 + 5x2 = 90 + -75
Combine like terms: 75 + -75 = 0
0 + 5x2 = 90 + -75
5x2 = 90 + -75
Combine like terms: 90 + -75 = 15
5x2 = 15
Divide each side by '5'.
x2 = 3
Simplifying
x2 = 3
Take the square root of each side:
x = {-1.732050808, 1.732050808}
| 12n+5= | | 1+7x=-29+x | | 9x-6(7)=3 | | 7=.35x | | x^2-10x-704=0 | | 25-.40x=0 | | r(5-5)=36 | | 3w+8=5w+8-2w | | 3(4k+2)-4(k+7)= | | -7x-4y=25 | | 10x-9+7=118 | | 4t=t-27 | | 60=4y-16 | | 40x^2-800x+10000=0 | | -40x^2+800x-10000=0 | | 16+yi=12-x+6i | | Y=-(x+4)(x-8) | | 0=2760x-2025x^2 | | 10y-20y=64 | | lnx-ln(x+5)=2 | | t^3-12t+36=0 | | -16t^2-26t+130=0 | | 2.5-0.9x=1.3 | | 2t^2-24t+36=0 | | mydx=nxdy | | 6x+30=13r-54 | | t^2-12t+18=0 | | 4+9a-3a=2(a-3)+4a | | 3x+33y=18 | | 3a^2-12=-7a | | 5x^2+33x-8=0 | | 16x-5=14x+3 |