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Popular >

expand-4x(3x^2+7x)

Solution

expand

- 4 x (3 x^{2} + 7 x)

Solution

- 12 x^{3} - 28 x^{2}

Solution steps

- 4 x (3 x^{2} + 7 x)

Apply the distributive law:

a (b + c) = ab + a c

- 4 x (3 x^{2} + 7 x) = - 4 x \cdot 3 x^{2} - 4 x \cdot 7 x

= - 4 x \cdot 3 x^{2} - 4 x \cdot 7 x

Simplify

- 4 x \cdot 3 x^{2} - 4 x \cdot 7 x : - 12 x^{3} - 28 x^{2}

= - 12 x^{3} - 28 x^{2}

Popular Examples

factor 3x^3-9x^2+27x factor

3 x^{3} - 9 x^{2} + 27 x

simplify 1+3.3log_{10}(100)simplify

1 + 3.3 lo g_{10} (100)

\frac{55}{25}

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ab + b^{2}

factor 343x^3-125y^3 factor

343 x^{3} - 125 y^{3}

Frequently Asked Questions (FAQ)

What is expand-4x(3x^2+7x) ?
The solution to expand-4x(3x^2+7x) is -12x^3-28x^2