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Popular >

expand (2y+3)^3

Solution

expand

(2 y + 3)^{3}

Solution

8 y^{3} + 36 y^{2} + 54 y + 27

Solution steps

(2 y + 3)^{3}

Apply Perfect Cube Formula:

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

(2 y + 3)^{3} = (2 y)^{3} + 3 (2 y)^{2} \cdot 3 + 3 \cdot 2 y \cdot 3^{2} + 3^{3}

= (2 y)^{3} + 3 (2 y)^{2} \cdot 3 + 3 \cdot 2 y \cdot 3^{2} + 3^{3}

Simplify

(2 y)^{3} + 3 (2 y)^{2} \cdot 3 + 3 \cdot 2 y \cdot 3^{2} + 3^{3} : 8 y^{3} + 36 y^{2} + 54 y + 27

= 8 y^{3} + 36 y^{2} + 54 y + 27

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Frequently Asked Questions (FAQ)

What is expand (2y+3)^3 ?
The solution to expand (2y+3)^3 is 8y^3+36y^2+54y+27