(11x^2+4)-(9x^2-9)=0

Simple and best practice solution for (11x^2+4)-(9x^2-9)=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (11x^2+4)-(9x^2-9)=0 equation:


Simplifying
(11x2 + 4) + -1(9x2 + -9) = 0

Reorder the terms:
(4 + 11x2) + -1(9x2 + -9) = 0

Remove parenthesis around (4 + 11x2)
4 + 11x2 + -1(9x2 + -9) = 0

Reorder the terms:
4 + 11x2 + -1(-9 + 9x2) = 0
4 + 11x2 + (-9 * -1 + 9x2 * -1) = 0
4 + 11x2 + (9 + -9x2) = 0

Reorder the terms:
4 + 9 + 11x2 + -9x2 = 0

Combine like terms: 4 + 9 = 13
13 + 11x2 + -9x2 = 0

Combine like terms: 11x2 + -9x2 = 2x2
13 + 2x2 = 0

Solving
13 + 2x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13' to each side of the equation.
13 + -13 + 2x2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 2x2 = 0 + -13
2x2 = 0 + -13

Combine like terms: 0 + -13 = -13
2x2 = -13

Divide each side by '2'.
x2 = -6.5

Simplifying
x2 = -6.5

Reorder the terms:
6.5 + x2 = -6.5 + 6.5

Combine like terms: -6.5 + 6.5 = 0.0
6.5 + x2 = 0.0

The solution to this equation could not be determined.

See similar equations:

| 9x-14-2x=9x+2-5x | | 6x+2=2+6x | | 8y^2-34y-30=0 | | [8-8(1-9)]= | | 5x^2+3x^2+2=0 | | 4(-x+1)-(5-3x)=1 | | 5x^3+4x^2+7x+8=0 | | 21-(7x-4)=6x-3 | | 6a+3b-2(8a-3b)= | | -3ab^2+6ab-3= | | 4x^2-29x+49=0 | | 8x-21+5x=-15 | | -(5x-8y-49)= | | (-64)*(+4)= | | -8-9(2n+6)=8(n-2)+3 | | cd=2cd | | -5=6b+1 | | 2t^2-6t-80=0 | | 2x^2-39x+70=0 | | 4x-7=2x+4 | | 8y^2+56y-144=0 | | 3a+4=36 | | 3y^3-27y^2=0 | | 5/6-1/2= | | -3(2y-4)=6 | | (x/2)+1=x-(1/3) | | 1/2*2/3= | | -32=1.14(3w-1) | | v^2+6v-7=0 | | 3(x-a)+3b=4x+a | | 7/8*-8/7= | | 6p+3=2p+11 |

Equations solver categories