y=7(x^2+2x+3)

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Solution for y=7(x^2+2x+3) equation: 


Simplifying
y = 7(x2 + 2x + 3)

Reorder the terms:
y = 7(3 + 2x + x2)
y = (3 * 7 + 2x * 7 + x2 * 7)
y = (21 + 14x + 7x2)

Solving
y = 21 + 14x + 7x2

Solving for variable 'y'.

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

Simplifying
y = 21 + 14x + 7x2

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