y=(3x-1)(3-x)+4x^2+19

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Solution for y=(3x-1)(3-x)+4x^2+19 equation: 


Simplifying
y = (3x + -1)(3 + -1x) + 4x2 + 19

Reorder the terms:
y = (-1 + 3x)(3 + -1x) + 4x2 + 19

Multiply (-1 + 3x) * (3 + -1x)
y = (-1(3 + -1x) + 3x * (3 + -1x)) + 4x2 + 19
y = ((3 * -1 + -1x * -1) + 3x * (3 + -1x)) + 4x2 + 19
y = ((-3 + 1x) + 3x * (3 + -1x)) + 4x2 + 19
y = (-3 + 1x + (3 * 3x + -1x * 3x)) + 4x2 + 19
y = (-3 + 1x + (9x + -3x2)) + 4x2 + 19

Combine like terms: 1x + 9x = 10x
y = (-3 + 10x + -3x2) + 4x2 + 19

Reorder the terms:
y = -3 + 19 + 10x + -3x2 + 4x2

Combine like terms: -3 + 19 = 16
y = 16 + 10x + -3x2 + 4x2

Combine like terms: -3x2 + 4x2 = 1x2
y = 16 + 10x + 1x2

Solving
y = 16 + 10x + 1x2

Solving for variable 'y'.

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

Simplifying
y = 16 + 10x + 1x2

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