y=a(x-80)(x-80)+70

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Solution for y=a(x-80)(x-80)+70 equation: 


Simplifying
y = a(x + -80)(x + -80) + 70

Reorder the terms:
y = a(-80 + x)(x + -80) + 70

Reorder the terms:
y = a(-80 + x)(-80 + x) + 70

Multiply (-80 + x) * (-80 + x)
y = a(-80(-80 + x) + x(-80 + x)) + 70
y = a((-80 * -80 + x * -80) + x(-80 + x)) + 70
y = a((6400 + -80x) + x(-80 + x)) + 70
y = a(6400 + -80x + (-80 * x + x * x)) + 70
y = a(6400 + -80x + (-80x + x2)) + 70

Combine like terms: -80x + -80x = -160x
y = a(6400 + -160x + x2) + 70
y = (6400 * a + -160x * a + x2 * a) + 70
y = (6400a + -160ax + ax2) + 70

Reorder the terms:
y = 70 + 6400a + -160ax + ax2

Solving
y = 70 + 6400a + -160ax + ax2

Solving for variable 'y'.

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

Simplifying
y = 70 + 6400a + -160ax + ax2

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