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Popular >

expand (-5)^3x(-5)^4

Solution

expand

(- 5)^{3} x (- 5)^{4}

Solution

- 78125 x

Solution steps

(- 5)^{3} x (- 5)^{4}

Apply exponent rule:

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

(- 5)^{3} (- 5)^{4} = (- 5)^{3 + 4}

= x (- 5)^{3 + 4}

Add the numbers:

3 + 4 = 7

= x (- 5)^{7}

(- 5)^{7} = - 5^{7}

= (- 5^{7}) x

Refine

= - 78125 x

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Frequently Asked Questions (FAQ)

What is expand (-5)^3x(-5)^4 ?
The solution to expand (-5)^3x(-5)^4 is -78125x