What is expand (-4b+2x^{21/5})(4x^3) ?

The solution to expand (-4b+2x^{21/5})(4x^3) is -16bx^3+8x^{36/5}

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expand (-4b+2x^{21/5})(4x^3)

expand

(- 4 b + 2 x^{\frac{21}{5}}) (4 x^{3})

- 16 b x^{3} + 8 x^{\frac{36}{5}}

Solution steps

(- 4 b + 2 x^{\frac{21}{5}}) (4 x^{3})

= (4 x^{3}) (- 4 b + 2 x^{\frac{21}{5}})

Apply the distributive law:

a (b + c) = ab + a c

(4 x^{3}) (- 4 b + 2 x^{\frac{21}{5}}) = 4 x^{3} (- 4 b) + 4 x^{3} \cdot 2 x^{\frac{21}{5}}

= 4 x^{3} (- 4 b) + 4 x^{3} \cdot 2 x^{\frac{21}{5}}

4 x^{3} (- 4 b) = - 16 b x^{3}

4 x^{3} \cdot 2 x^{\frac{21}{5}} = 8 x^{\frac{36}{5}}

= - 16 b x^{3} + 8 x^{\frac{36}{5}}

(x y^{2} - 4 x^{2} y^{3} + 5 x^{3} y + 4 x^{2}) l e f t (- 2 x^{3} y)

(1 + cos (θ)) \cdot cos (θ)

(\frac{1}{4} + \frac{2 x}{7}) (\frac{1}{4} - \frac{2 x}{7})

I n (e^{2 x} + 1)^{2}

2 x e^{x} + e^{x} (x^{2} - 3)

What is expand (-4b+2x^{21/5})(4x^3) ?
The solution to expand (-4b+2x^{21/5})(4x^3) is -16bx^3+8x^{36/5}