y=3[x(4-x)]-5(x+1)

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Solution for y=3[x(4-x)]-5(x+1) equation: 


Simplifying
y = 3[x(4 + -1x)] + -5(x + 1)
y = 3[(4 * x + -1x * x)] + -5(x + 1)
y = 3[(4x + -1x2)] + -5(x + 1)
y = [4x * 3 + -1x2 * 3] + -5(x + 1)
y = [12x + -3x2] + -5(x + 1)

Reorder the terms:
y = 12x + -3x2 + -5(1 + x)
y = 12x + -3x2 + (1 * -5 + x * -5)
y = 12x + -3x2 + (-5 + -5x)

Reorder the terms:
y = -5 + 12x + -5x + -3x2

Combine like terms: 12x + -5x = 7x
y = -5 + 7x + -3x2

Solving
y = -5 + 7x + -3x2

Solving for variable 'y'.

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

Simplifying
y = -5 + 7x + -3x2

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