X=(3x+7)(3x+7)

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Solution for X=(3x+7)(3x+7) equation: 


Simplifying
X = (3x + 7)(3x + 7)

Reorder the terms:
X = (7 + 3x)(3x + 7)

Reorder the terms:
X = (7 + 3x)(7 + 3x)

Multiply (7 + 3x) * (7 + 3x)
X = (7(7 + 3x) + 3x * (7 + 3x))
X = ((7 * 7 + 3x * 7) + 3x * (7 + 3x))
X = ((49 + 21x) + 3x * (7 + 3x))
X = (49 + 21x + (7 * 3x + 3x * 3x))
X = (49 + 21x + (21x + 9x2))

Combine like terms: 21x + 21x = 42x
X = (49 + 42x + 9x2)

Solving
X = 49 + 42x + 9x2

Solving for variable 'X'.

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

Simplifying
X = 49 + 42x + 9x2

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