4(x^2-9)-(x^2-9)+5=0

Simple and best practice solution for 4(x^2-9)-(x^2-9)+5=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 4(x^2-9)-(x^2-9)+5=0 equation:


Simplifying
4(x2 + -9) + -1(x2 + -9) + 5 = 0

Reorder the terms:
4(-9 + x2) + -1(x2 + -9) + 5 = 0
(-9 * 4 + x2 * 4) + -1(x2 + -9) + 5 = 0
(-36 + 4x2) + -1(x2 + -9) + 5 = 0

Reorder the terms:
-36 + 4x2 + -1(-9 + x2) + 5 = 0
-36 + 4x2 + (-9 * -1 + x2 * -1) + 5 = 0
-36 + 4x2 + (9 + -1x2) + 5 = 0

Reorder the terms:
-36 + 9 + 5 + 4x2 + -1x2 = 0

Combine like terms: -36 + 9 = -27
-27 + 5 + 4x2 + -1x2 = 0

Combine like terms: -27 + 5 = -22
-22 + 4x2 + -1x2 = 0

Combine like terms: 4x2 + -1x2 = 3x2
-22 + 3x2 = 0

Solving
-22 + 3x2 = 0

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 3x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 3x2 = 0 + 22
3x2 = 0 + 22

Combine like terms: 0 + 22 = 22
3x2 = 22

Divide each side by '3'.
x2 = 7.333333333

Simplifying
x2 = 7.333333333

Take the square root of each side:
x = {-2.708012801, 2.708012801}

See similar equations:

| 8n^2-13n+5=0 | | 8-4545-4=41858-5764 | | 2x-15=-55+10 | | 4m+5=23 | | 6+4*32=42 | | 1-3z=3z-23 | | 24x^2-14x+2=0 | | 5n+7n(7n-1)=-233 | | 9f-13=-13 | | 2x+4+2x=44 | | 5+x=15-x | | 6+4*32=900 | | 2g-7g+8= | | Y+8=-3(X-4) | | g(z)=2z-g | | 20-(x+2)= | | 1-3z=23-3z | | 26x^2+64=0 | | 5a+3=5a-7 | | (8-2x)-(5-4x)=7 | | -(-3-m)= | | 3c+7=-14+3c+21 | | 2y-4=7y+6 | | 5y=1-3x | | -(-3+m)= | | 5x+11+6-7x=2x | | x*.0825+x=250 | | 3xz-2yz=25 | | 5x+11+6-7x=-2x | | -(A-2)= | | X+2=-44+9x | | -10c+-15=55 |

Equations solver categories