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Popular >

expand 3(x+δ)^2

Solution

expand

3 (x + δ)^{2}

Solution

3 x^{2} + 6 δ x + 3 δ^{2}

Solution steps

3 (x + δ)^{2}

(x + δ)^{2} = x^{2} + 2 δ x + δ^{2}

= 3 (x^{2} + 2 δ x + δ^{2})

= 3 (x^{2} + 2 δ x + δ^{2})

Distribute parentheses

= 3 x^{2} + 3 \cdot 2 x δ + 3 δ^{2}

= 3 x^{2} + 3 \cdot 2 δ x + 3 δ^{2}

Multiply the numbers:

3 \cdot 2 = 6

= 3 x^{2} + 6 δ x + 3 δ^{2}

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Frequently Asked Questions (FAQ)

What is expand 3(x+δ)^2 ?
The solution to expand 3(x+δ)^2 is 3x^2+6δx+3δ^2