If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + -9 = 31
Reorder the terms:
-9 + 4x2 = 31
Solving
-9 + 4x2 = 31
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 4x2 = 31 + 9
Combine like terms: -9 + 9 = 0
0 + 4x2 = 31 + 9
4x2 = 31 + 9
Combine like terms: 31 + 9 = 40
4x2 = 40
Divide each side by '4'.
x2 = 10
Simplifying
x2 = 10
Take the square root of each side:
x = {-3.16227766, 3.16227766}
| t/2--2=4 | | 44y^4-148y^3+48y^2= | | d+183=-6d+8 | | -6c-4=c+192 | | a-23=-a-5 | | p/2-2=1 | | .233= | | 5x-14+4x=3-4x+9 | | -c-6=c+48 | | p-387=-8p-9 | | 2n-2-n=-4 | | sin(45)=x/100 | | d-43=-d-3 | | 3r^2-16r-7=15 | | -b+9=b+37 | | X/-8=6/9 | | (2/3)p=(3/7) | | -4n+5=n+235 | | 8x^2-46x+11= | | r+103=-r+9 | | (4/3)b=-(12/13) | | p+256=-7p+8 | | 2x+29=45 | | -11=2-6x-1 | | d+57=-d-3 | | -t-7=t+45 | | -4(v-72)=-60 | | w+(-9)=1 | | -4x-3+6x=5 | | -21j-30=j+850 | | 5y+6*3-4= | | 30x+120=10(3x+12) |