What is expand 5/2 (k+1)^3-2(k+1) ?

The solution to expand 5/2 (k+1)^3-2(k+1) is (5k^3+15k^2+15k+5)/2-2k-2

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expand 5/2 (k+1)^3-2(k+1)

expand

\frac{5}{2} (k + 1)^{3} - 2 (k + 1)

\frac{5 k ^{3} + 15 k ^{2} + 15 k + 5}{2} - 2 k - 2

Solution steps

\frac{5}{2} (k + 1)^{3} - 2 (k + 1)

Expand

\frac{5}{2} (k + 1)^{3} : \frac{5 k ^{3} + 15 k ^{2} + 15 k + 5}{2}

= \frac{5 k ^{3} + 15 k ^{2} + 15 k + 5}{2} - 2 (k + 1)

Expand

- 2 (k + 1) : - 2 k - 2

= \frac{5 k ^{3} + 15 k ^{2} + 15 k + 5}{2} - 2 k - 2

C (- 3, - 5) yD (- 9, - 6)

tP (0, - 2) \frac{4}{7}

\frac{\frac{d}{d x} ( ( 8 x - 7 ) ^{3} )}{( 8 x + 4 ) ^{4}}

(x + 6) \cdot (6 + 2 x - 6 e^{- x})

(2 e^{3 x} - e^{2 x}) (6 e^{3 x} - 2 e^{2 x})

What is expand 5/2 (k+1)^3-2(k+1) ?
The solution to expand 5/2 (k+1)^3-2(k+1) is (5k^3+15k^2+15k+5)/2-2k-2