(3x-4)(3x+4)=9x^2+6x-4

Simple and best practice solution for (3x-4)(3x+4)=9x^2+6x-4 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 (3x-4)(3x+4)=9x^2+6x-4 equation:


Simplifying
(3x + -4)(3x + 4) = 9x2 + 6x + -4

Reorder the terms:
(-4 + 3x)(3x + 4) = 9x2 + 6x + -4

Reorder the terms:
(-4 + 3x)(4 + 3x) = 9x2 + 6x + -4

Multiply (-4 + 3x) * (4 + 3x)
(-4(4 + 3x) + 3x * (4 + 3x)) = 9x2 + 6x + -4
((4 * -4 + 3x * -4) + 3x * (4 + 3x)) = 9x2 + 6x + -4
((-16 + -12x) + 3x * (4 + 3x)) = 9x2 + 6x + -4
(-16 + -12x + (4 * 3x + 3x * 3x)) = 9x2 + 6x + -4
(-16 + -12x + (12x + 9x2)) = 9x2 + 6x + -4

Combine like terms: -12x + 12x = 0
(-16 + 0 + 9x2) = 9x2 + 6x + -4
(-16 + 9x2) = 9x2 + 6x + -4

Reorder the terms:
-16 + 9x2 = -4 + 6x + 9x2

Add '-9x2' to each side of the equation.
-16 + 9x2 + -9x2 = -4 + 6x + 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-16 + 0 = -4 + 6x + 9x2 + -9x2
-16 = -4 + 6x + 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-16 = -4 + 6x + 0
-16 = -4 + 6x

Solving
-16 = -4 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-16 + -6x = -4 + 6x + -6x

Combine like terms: 6x + -6x = 0
-16 + -6x = -4 + 0
-16 + -6x = -4

Add '16' to each side of the equation.
-16 + 16 + -6x = -4 + 16

Combine like terms: -16 + 16 = 0
0 + -6x = -4 + 16
-6x = -4 + 16

Combine like terms: -4 + 16 = 12
-6x = 12

Divide each side by '-6'.
x = -2

Simplifying
x = -2

See similar equations:

| (-8)(5)(-3)= | | -(-6w+v)+(2v-w)=0 | | 2(x+3)+5(x-7)=41 | | (w+5)*(w-3)=0 | | 25-5d=d | | -30(-5)= | | 2(-4)(-6)= | | (-14)2= | | 3x+5(x-7)=41 | | (6)(-8)= | | 0.80x+0.50(8-x)=.10(-101) | | 2g-2+4g-9= | | Y=X[X-4] | | -21=x+10 | | (-6)(-9)= | | X-19=-43 | | 90+2x+x+15=180 | | (-2)(8)= | | 2x-9y-4=0 | | 3x^2+2x=12 | | 4-2x=5-x-1 | | .05d-3d+5=0 | | X+12+x=44 | | -4[X+2]=3[2X+1] | | 2(2x-3)=x+3(x-6) | | 6(x-2)=4-2x | | 4x^2+6x-8x^2=5 | | y=-1.3x-2 | | 13-2x=25 | | c^2=196 | | -5(a+6)=2(3a+8) | | 64=x+32 |

Equations solver categories