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Popular >

expand 3x(3x+3Δx)

Solution

expand

3 x (3 x + 3Δ x)

Solution

9 x^{2} + 9Δ x^{2}

Solution steps

3 x (3 x + 3Δ x)

Apply the distributive law:

a (b + c) = ab + a c

a = 3 x, b = 3 x, c = 3Δ x

= 3 x \cdot 3 x + 3 x \cdot 3Δ x

= 3 \cdot 3 xx + 3 \cdot 3Δ xx

Simplify

3 \cdot 3 xx + 3 \cdot 3Δ xx : 9 x^{2} + 9Δ x^{2}

= 9 x^{2} + 9Δ x^{2}

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Frequently Asked Questions (FAQ)

What is expand 3x(3x+3Δx) ?
The solution to expand 3x(3x+3Δx) is 9x^2+9Δx^2