3x*3x=9+6x+(x*x)

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Solution for 3x*3x=9+6x+(x*x) equation:


Simplifying
3x * 3x = 9 + 6x + (x * x)

Reorder the terms for easier multiplication:
3 * 3x * x = 9 + 6x + (x * x)

Multiply 3 * 3
9x * x = 9 + 6x + (x * x)

Multiply x * x
9x2 = 9 + 6x + (x * x)

Multiply x * x
9x2 = 9 + 6x + (x2)
9x2 = 9 + 6x + x2

Solving
9x2 = 9 + 6x + x2

Solving for variable 'x'.

Reorder the terms:
-9 + -6x + 9x2 + -1x2 = 9 + 6x + x2 + -9 + -6x + -1x2

Combine like terms: 9x2 + -1x2 = 8x2
-9 + -6x + 8x2 = 9 + 6x + x2 + -9 + -6x + -1x2

Reorder the terms:
-9 + -6x + 8x2 = 9 + -9 + 6x + -6x + x2 + -1x2

Combine like terms: 9 + -9 = 0
-9 + -6x + 8x2 = 0 + 6x + -6x + x2 + -1x2
-9 + -6x + 8x2 = 6x + -6x + x2 + -1x2

Combine like terms: 6x + -6x = 0
-9 + -6x + 8x2 = 0 + x2 + -1x2
-9 + -6x + 8x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-9 + -6x + 8x2 = 0

Factor a trinomial.
(-3 + -4x)(3 + -2x) = 0


Subproblem 1
Set the factor '(-3 + -4x)' equal to zero and attempt to solve:

Simplifying
-3 + -4x = 0

Solving
-3 + -4x = 0

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

Add '3' to each side of the equation.
-3 + 3 + -4x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4x = 0 + 3
-4x = 0 + 3

Combine like terms: 0 + 3 = 3
-4x = 3

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve:

Simplifying
3 + -2x = 0

Solving
3 + -2x = 0

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

Add '-3' to each side of the equation.
3 + -3 + -2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 0 + -3
-2x = 0 + -3

Combine like terms: 0 + -3 = -3
-2x = -3

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5
Solution
x = {-0.75, 1.5}

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