(3x-7)(3x-7)=(2x+1)(2x+1)

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Solution for (3x-7)(3x-7)=(2x+1)(2x+1) equation:


Simplifying
(3x + -7)(3x + -7) = (2x + 1)(2x + 1)

Reorder the terms:
(-7 + 3x)(3x + -7) = (2x + 1)(2x + 1)

Reorder the terms:
(-7 + 3x)(-7 + 3x) = (2x + 1)(2x + 1)

Multiply (-7 + 3x) * (-7 + 3x)
(-7(-7 + 3x) + 3x * (-7 + 3x)) = (2x + 1)(2x + 1)
((-7 * -7 + 3x * -7) + 3x * (-7 + 3x)) = (2x + 1)(2x + 1)
((49 + -21x) + 3x * (-7 + 3x)) = (2x + 1)(2x + 1)
(49 + -21x + (-7 * 3x + 3x * 3x)) = (2x + 1)(2x + 1)
(49 + -21x + (-21x + 9x2)) = (2x + 1)(2x + 1)

Combine like terms: -21x + -21x = -42x
(49 + -42x + 9x2) = (2x + 1)(2x + 1)

Reorder the terms:
49 + -42x + 9x2 = (1 + 2x)(2x + 1)

Reorder the terms:
49 + -42x + 9x2 = (1 + 2x)(1 + 2x)

Multiply (1 + 2x) * (1 + 2x)
49 + -42x + 9x2 = (1(1 + 2x) + 2x * (1 + 2x))
49 + -42x + 9x2 = ((1 * 1 + 2x * 1) + 2x * (1 + 2x))
49 + -42x + 9x2 = ((1 + 2x) + 2x * (1 + 2x))
49 + -42x + 9x2 = (1 + 2x + (1 * 2x + 2x * 2x))
49 + -42x + 9x2 = (1 + 2x + (2x + 4x2))

Combine like terms: 2x + 2x = 4x
49 + -42x + 9x2 = (1 + 4x + 4x2)

Solving
49 + -42x + 9x2 = 1 + 4x + 4x2

Solving for variable 'x'.

Reorder the terms:
49 + -1 + -42x + -4x + 9x2 + -4x2 = 1 + 4x + 4x2 + -1 + -4x + -4x2

Combine like terms: 49 + -1 = 48
48 + -42x + -4x + 9x2 + -4x2 = 1 + 4x + 4x2 + -1 + -4x + -4x2

Combine like terms: -42x + -4x = -46x
48 + -46x + 9x2 + -4x2 = 1 + 4x + 4x2 + -1 + -4x + -4x2

Combine like terms: 9x2 + -4x2 = 5x2
48 + -46x + 5x2 = 1 + 4x + 4x2 + -1 + -4x + -4x2

Reorder the terms:
48 + -46x + 5x2 = 1 + -1 + 4x + -4x + 4x2 + -4x2

Combine like terms: 1 + -1 = 0
48 + -46x + 5x2 = 0 + 4x + -4x + 4x2 + -4x2
48 + -46x + 5x2 = 4x + -4x + 4x2 + -4x2

Combine like terms: 4x + -4x = 0
48 + -46x + 5x2 = 0 + 4x2 + -4x2
48 + -46x + 5x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
48 + -46x + 5x2 = 0

Factor a trinomial.
(6 + -5x)(8 + -1x) = 0

Subproblem 1

Set the factor '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {1.2, 8}

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