y=a(x-5)(x+5)

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Solution for y=a(x-5)(x+5) equation: 


Simplifying
y = a(x + -5)(x + 5)

Reorder the terms:
y = a(-5 + x)(x + 5)

Reorder the terms:
y = a(-5 + x)(5 + x)

Multiply (-5 + x) * (5 + x)
y = a(-5(5 + x) + x(5 + x))
y = a((5 * -5 + x * -5) + x(5 + x))
y = a((-25 + -5x) + x(5 + x))
y = a(-25 + -5x + (5 * x + x * x))
y = a(-25 + -5x + (5x + x2))

Combine like terms: -5x + 5x = 0
y = a(-25 + 0 + x2)
y = a(-25 + x2)
y = (-25 * a + x2 * a)
y = (-25a + ax2)

Solving
y = -25a + ax2

Solving for variable 'y'.

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

Simplifying
y = -25a + ax2

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