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Popular >

simplify (7x^3)(4x^9)

Solution

simplify

(7 x^{3}) (4 x^{9})

Solution

28 x^{12}

Solution steps

(7 x^{3}) (4 x^{9})

Apply exponent rule:

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

x^{3} x^{9} = x^{3 + 9}

= 7 \cdot 4 x^{3 + 9}

Add the numbers:

3 + 9 = 12

= 7 \cdot 4 x^{12}

Multiply the numbers:

7 \cdot 4 = 28

= 28 x^{12}

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Frequently Asked Questions (FAQ)

What is (7x^3)(4x^9) ?
The solution to (7x^3)(4x^9) is 28x^{12}