X(3+5)+y(4+7y)=

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Solution for X(3+5)+y(4+7y)= equation: 


Simplifying
X(3 + 5) + y(4 + 7y) = 0

Combine like terms: 3 + 5 = 8
X(8) + y(4 + 7y) = 0

Reorder the terms for easier multiplication:
8X + y(4 + 7y) = 0
8X + (4 * y + 7y * y) = 0
8X + (4y + 7y2) = 0

Solving
8X + 4y + 7y2 = 0

Solving for variable 'X'.

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

Add '-4y' to each side of the equation.
8X + 4y + -4y + 7y2 = 0 + -4y

Combine like terms: 4y + -4y = 0
8X + 0 + 7y2 = 0 + -4y
8X + 7y2 = 0 + -4y
Remove the zero:
8X + 7y2 = -4y

Add '-7y2' to each side of the equation.
8X + 7y2 + -7y2 = -4y + -7y2

Combine like terms: 7y2 + -7y2 = 0
8X + 0 = -4y + -7y2
8X = -4y + -7y2

Divide each side by '8'.
X = -0.5y + -0.875y2

Simplifying
X = -0.5y + -0.875y2

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