Y=(x+4)(x+4)-7

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Solution for Y=(x+4)(x+4)-7 equation: 


Simplifying
Y = (x + 4)(x + 4) + -7

Reorder the terms:
Y = (4 + x)(x + 4) + -7

Reorder the terms:
Y = (4 + x)(4 + x) + -7

Multiply (4 + x) * (4 + x)
Y = (4(4 + x) + x(4 + x)) + -7
Y = ((4 * 4 + x * 4) + x(4 + x)) + -7
Y = ((16 + 4x) + x(4 + x)) + -7
Y = (16 + 4x + (4 * x + x * x)) + -7
Y = (16 + 4x + (4x + x2)) + -7

Combine like terms: 4x + 4x = 8x
Y = (16 + 8x + x2) + -7

Reorder the terms:
Y = 16 + -7 + 8x + x2

Combine like terms: 16 + -7 = 9
Y = 9 + 8x + x2

Solving
Y = 9 + 8x + x2

Solving for variable 'Y'.

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

Simplifying
Y = 9 + 8x + x2

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