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Popular >

simplify (-7z^4)(7z)

Solution

simplify

(- 7 z^{4}) (7 z)

Solution

- 49 z^{5}

Solution steps

(- 7 z^{4}) (7 z)

Apply rule:

(- a) = - a

(- 7 z^{4}) = - 7 z^{4}

= - 7 z^{4} \cdot 7 z

Multiply the numbers:

- 7 \cdot 7 = - 49

= - 49 z^{4} z

Apply exponent rule:

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

z^{4} z = z^{4 + 1}

= - 49 z^{4 + 1}

Add the numbers:

4 + 1 = 5

= - 49 z^{5}

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Frequently Asked Questions (FAQ)

What is (-7z^4)(7z) ?
The solution to (-7z^4)(7z) is -49z^5