y=x(9x-21)-5(3x-7)

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Solution for y=x(9x-21)-5(3x-7) equation:


Simplifying
y = x(9x + -21) + -5(3x + -7)

Reorder the terms:
y = x(-21 + 9x) + -5(3x + -7)
y = (-21 * x + 9x * x) + -5(3x + -7)
y = (-21x + 9x2) + -5(3x + -7)

Reorder the terms:
y = -21x + 9x2 + -5(-7 + 3x)
y = -21x + 9x2 + (-7 * -5 + 3x * -5)
y = -21x + 9x2 + (35 + -15x)

Reorder the terms:
y = 35 + -21x + -15x + 9x2

Combine like terms: -21x + -15x = -36x
y = 35 + -36x + 9x2

Solving
y = 35 + -36x + 9x2

Solving for variable 'y'.

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

Simplifying
y = 35 + -36x + 9x2

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