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Popular >

simplify (49a^2)(-7a^9)

Solution

simplify

(49 a^{2}) (- 7 a^{9})

Solution

- 343 a^{11}

Solution steps

(49 a^{2}) (- 7 a^{9})

Apply rule:

a (- b) = - ab

(49 a^{2}) (- 7 a^{9}) = - 49 a^{2} \cdot 7 a^{9}

= - 49 a^{2} \cdot 7 a^{9}

Multiply the numbers:

- 49 \cdot 7 = - 343

= - 343 a^{2} a^{9}

Apply exponent rule:

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

a^{2} a^{9} = a^{2 + 9}

= - 343 a^{2 + 9}

Add the numbers:

2 + 9 = 11

= - 343 a^{11}

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Frequently Asked Questions (FAQ)

What is (49a^2)(-7a^9) ?
The solution to (49a^2)(-7a^9) is -343a^{11}