What is (4+h)^2-2(4+h) ?

The solution to (4+h)^2-2(4+h) is h^2+6h+8

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simplify (4+h)^2-2(4+h)

simplify

(4 + h)^{2} - 2 (4 + h)

h^{2} + 6 h + 8

Solution steps

(4 + h)^{2} - 2 (4 + h)

Expand

(4 + h)^{2} : 16 + 8 h + h^{2}

= 16 + 8 h + h^{2} - 2 (4 + h)

Expand

- 2 (4 + h) : - 8 - 2 h

= 16 + 8 h + h^{2} - 8 - 2 h

Group like terms

= h^{2} + 8 h - 2 h + 16 - 8

Add similar elements:

8 h - 2 h = 6 h

= h^{2} + 6 h + 16 - 8

Subtract the numbers:

16 - 8 = 8

= h^{2} + 6 h + 8

\frac{3}{5} + \frac{1}{3} - 2

(x + 3 y) (2 x + y)

\frac{8}{72}

1 - \frac{2}{1}

u^{3} + 27 v^{3}