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Popular >

simplify (2x^5)(-5x^4)

Solution

simplify

(2 x^{5}) (- 5 x^{4})

Solution

- 10 x^{9}

Solution steps

(2 x^{5}) (- 5 x^{4})

Apply rule:

a (- b) = - ab

(2 x^{5}) (- 5 x^{4}) = - 2 x^{5} \cdot 5 x^{4}

= - 2 x^{5} \cdot 5 x^{4}

Multiply the numbers:

- 2 \cdot 5 = - 10

= - 10 x^{5} x^{4}

Apply exponent rule:

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

x^{5} x^{4} = x^{5 + 4}

= - 10 x^{5 + 4}

Add the numbers:

5 + 4 = 9

= - 10 x^{9}

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Frequently Asked Questions (FAQ)

What is (2x^5)(-5x^4) ?
The solution to (2x^5)(-5x^4) is -10x^9