If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
3x2 + -4 = 28 + x2
Reorder the terms:
-4 + 3x2 = 28 + x2
Solving
-4 + 3x2 = 28 + x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
-4 + 3x2 + -1x2 = 28 + x2 + -1x2
Combine like terms: 3x2 + -1x2 = 2x2
-4 + 2x2 = 28 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
-4 + 2x2 = 28 + 0
-4 + 2x2 = 28
Add '4' to each side of the equation.
-4 + 4 + 2x2 = 28 + 4
Combine like terms: -4 + 4 = 0
0 + 2x2 = 28 + 4
2x2 = 28 + 4
Combine like terms: 28 + 4 = 32
2x2 = 32
Divide each side by '2'.
x2 = 16
Simplifying
x2 = 16
Take the square root of each side:
x = {-4, 4}
| 6a(4a-2)+3a(a+7)=0 | | 2+6=3+X | | s=5n+5w | | n=5n+5w | | 7y+8=13y+8 | | 64r^2-36=0 | | w^2+8w=65 | | y=2x^2-44x-240 | | y=2x^2-44x+120 | | 3x+13=-47 | | 81=18x | | 3b^2-14b+8= | | 18x^2+27x-5= | | 81x=18 | | 27x^3+64y^3= | | 8.5*9=70.2*11 | | 4a^2-12a=0 | | 5u^2-54u+81= | | (5x-7)(8x+7)=0 | | 125y^3+125x^3= | | 10m^2+36m-16= | | 3(x+5)=15x | | x/3=x+5/15 | | 9x=-4y | | 2x+4=2x^2-1 | | 3i+7= | | 0=q^2-2q+2 | | C(q)=q^2-2q+2 | | 16(X+7)=8(X+1)+2X | | 2r^2+9r+9= | | (2x^2-18x+16)(x-8)=0 | | x^2+2x-4=56 |