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Popular >

expand (X+Y)^3

Solution

expand

(X + Y)^{3}

Solution

X^{3} + 3 X^{2} Y + 3 X Y^{2} + Y^{3}

Solution steps

(X + Y)^{3}

Apply Perfect Cube Formula:

(a + b)^{3} = a^{3} + 3 a^{2} b + 3 a b^{2} + b^{3}

(X + Y)^{3} = X^{3} + 3 X^{2} Y + 3 X Y^{2} + Y^{3}

= X^{3} + 3 X^{2} Y + 3 X Y^{2} + Y^{3}

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Frequently Asked Questions (FAQ)

What is expand (X+Y)^3 ?
The solution to expand (X+Y)^3 is X^3+3X^2Y+3XY^2+Y^3