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Popular >

simplify 7x(3x^2)

Solution

simplify

7 x (3 x^{2})

Solution

21 x^{3}

Solution steps

7 x (3 x^{2})

Apply exponent rule:

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

x x^{2} = x^{1 + 2}

= 7 \cdot 3 x^{1 + 2}

Add the numbers:

1 + 2 = 3

= 7 \cdot 3 x^{3}

Multiply the numbers:

7 \cdot 3 = 21

= 21 x^{3}

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Frequently Asked Questions (FAQ)

What is 7x(3x^2) ?
The solution to 7x(3x^2) is 21x^3