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Popular >

simplify (2x)(-5x^3)

Solution

simplify

(2 x) (- 5 x^{3})

Solution

- 10 x^{4}

Solution steps

(2 x) (- 5 x^{3})

Apply rule:

a (- b) = - ab

(2 x) (- 5 x^{3}) = - 2 x \cdot 5 x^{3}

= - 2 x \cdot 5 x^{3}

Multiply the numbers:

- 2 \cdot 5 = - 10

= - 10 x x^{3}

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

x x^{3} = x^{1 + 3}

= - 10 x^{1 + 3}

Add the numbers:

1 + 3 = 4

= - 10 x^{4}

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Frequently Asked Questions (FAQ)

What is (2x)(-5x^3) ?
The solution to (2x)(-5x^3) is -10x^4