What is expand 2(x+dx)^2 ?

The solution to expand 2(x+dx)^2 is 2x^2+4xdx+2dx^2

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expand 2(x+dx)^2

expand

2 (x + d x)^{2}

2 x^{2} + 4 x d x + 2 d x^{2}

Solution steps

2 (x + d x)^{2}

(x + d x)^{2} = x^{2} + 2 x d x + d x^{2}

= 2 (x^{2} + 2 x d x + d x^{2})

Distribute parentheses

= 2 x^{2} + 2 \cdot 2 x d x + 2 d x^{2}

Multiply the numbers:

2 \cdot 2 = 4

= 2 x^{2} + 4 x d x + 2 d x^{2}

(1 - 2 i) (1 + 2 i)

\frac{s + 5}{( s + 1 ) ( s + 4 )}

(e^{t} cos (t) - e^{t} sin (t)) (2 e^{t} cos (t))

(a - bi)^{2}

lo g_{10} (x^{5} y^{- 4})