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Popular >

simplify (-7x^5)(9x^5)

Solution

simplify

(- 7 x^{5}) (9 x^{5})

Solution

- 63 x^{10}

Solution steps

(- 7 x^{5}) (9 x^{5})

Apply rule:

(- a) = - a

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

= - 7 x^{5} \cdot 9 x^{5}

Multiply the numbers:

- 7 \cdot 9 = - 63

= - 63 x^{5} x^{5}

Apply exponent rule:

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

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

= - 63 x^{5 + 5}

Add the numbers:

5 + 5 = 10

= - 63 x^{10}

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Frequently Asked Questions (FAQ)

What is (-7x^5)(9x^5) ?
The solution to (-7x^5)(9x^5) is -63x^{10}