y=(x+3)(x+3)-1

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


Simplifying
y = (x + 3)(x + 3) + -1

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

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

Multiply (3 + x) * (3 + x)
y = (3(3 + x) + x(3 + x)) + -1
y = ((3 * 3 + x * 3) + x(3 + x)) + -1
y = ((9 + 3x) + x(3 + x)) + -1
y = (9 + 3x + (3 * x + x * x)) + -1
y = (9 + 3x + (3x + x2)) + -1

Combine like terms: 3x + 3x = 6x
y = (9 + 6x + x2) + -1

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

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

Solving
y = 8 + 6x + x2

Solving for variable 'y'.

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

Simplifying
y = 8 + 6x + x2

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