If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2n2 + 4 = 90
Reorder the terms:
4 + 2n2 = 90
Solving
4 + 2n2 = 90
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 2n2 = 90 + -4
Combine like terms: 4 + -4 = 0
0 + 2n2 = 90 + -4
2n2 = 90 + -4
Combine like terms: 90 + -4 = 86
2n2 = 86
Divide each side by '2'.
n2 = 43
Simplifying
n2 = 43
Take the square root of each side:
n = {-6.557438524, 6.557438524}
| 8.30+2.35-0.75x=9.9 | | 6x+5*-2=-35 | | -3(4-2w)=33 | | 6=c+-2.4 | | 9/0.75 | | 3x^2=96-12x | | h+6.9=11.5 | | 5m^2-3mn= | | m^2-20m+64=0 | | 14y=-28 | | F(-5)f(x)=-2x+8 | | 8(y+3)=-3y-42 | | 2.20x-5=2(1.40x+3) | | (-7ab)(5a^2)= | | (-7ab)(5a)= | | 0.5(x+4)-15=-3 | | 14+1=k | | 4n+8=6n-4 | | 3x+2(x-4)=8x-17 | | (x+22)+(5x+2)=180 | | 3(x+15)=2x+35 | | 3/4t-5/6t=5/12 | | -6x+-3(x+-5)+4=6x+-116 | | 0.33(9x+6)=0.40(20x+15) | | 4x-49=3x-21 | | -z/52 | | e=4+1 | | n+27=p | | 5+5p-(3p-9)= | | 5(X+30)+3x=2630 | | 4a^2-6ab= | | C+-7.1=-7.4 |