y=a(x^2+10x+21)

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Solution for y=a(x^2+10x+21) equation: 


Simplifying
y = a(x2 + 10x + 21)

Reorder the terms:
y = a(21 + 10x + x2)
y = (21 * a + 10x * a + x2 * a)
y = (21a + 10ax + ax2)

Solving
y = 21a + 10ax + ax2

Solving for variable 'y'.

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

Simplifying
y = 21a + 10ax + ax2

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