What is expand (x^3+3y)(x^3+5y) ?

The solution to expand (x^3+3y)(x^3+5y) is x^6+8x^3y+15y^2

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expand (x^3+3y)(x^3+5y)

expand

(x^{3} + 3 y) (x^{3} + 5 y)

x^{6} + 8 x^{3} y + 15 y^{2}

Solution steps

(x^{3} + 3 y) (x^{3} + 5 y)

Apply FOIL method

(x^{3} + 3 y) (x^{3} + 5 y) : x^{6} + 8 x^{3} y + 15 y^{2}

= x^{6} + 8 x^{3} y + 15 y^{2}

4. 5^{2} + 3. 5^{2}

(2 x + 7) (x - 2)

- 5 \cdot - 45

(2 x - 3) (2 x - 3)

(b - 3)^{2}

What is expand (x^3+3y)(x^3+5y) ?
The solution to expand (x^3+3y)(x^3+5y) is x^6+8x^3y+15y^2