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Popular >

expand 4(x+Δ)^2

Solution

expand

4 (x + Δ)^{2}

Solution

4 x^{2} + 8Δ x + 4 Δ^{2}

Solution steps

4 (x + Δ)^{2}

(x + Δ)^{2} = x^{2} + 2Δ x + Δ^{2}

= 4 (x^{2} + 2Δ x + Δ^{2})

= 4 (x^{2} + 2Δ x + Δ^{2})

Distribute parentheses

= 4 x^{2} + 4 \cdot 2 x Δ + 4 Δ^{2}

= 4 x^{2} + 4 \cdot 2Δ x + 4 Δ^{2}

Multiply the numbers:

4 \cdot 2 = 8

= 4 x^{2} + 8Δ x + 4 Δ^{2}

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Frequently Asked Questions (FAQ)

What is expand 4(x+Δ)^2 ?
The solution to expand 4(x+Δ)^2 is 4x^2+8Δx+4Δ^2