What is expand 2e(e+1)-4(e+5) ?

The solution to expand 2e(e+1)-4(e+5) is 2e^2-2e-20

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expand 2e(e+1)-4(e+5)

expand

2 e (e + 1) - 4 (e + 5)

2 e^{2} - 2 e - 20

Solution steps

2 e (e + 1) - 4 (e + 5)

Expand

2 e (e + 1) : 2 e^{2} + 2 e

= 2 e^{2} + 2 e - 4 (e + 5)

Expand

- 4 (e + 5) : - 4 e - 20

= 2 e^{2} + 2 e - 4 e - 20

Add similar elements:

2 e - 4 e = - 2 e

= 2 e^{2} - 2 e - 20

\frac{50 π + 200}{( 4 + π ) ^{2}}

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

(cos (\frac{θ}{2}) - sin (\frac{θ}{2}) e^{i φ})^{2}

\frac{1}{s ( s + 4 ) ^{2}}

5010 c + 10 - (\frac{100 ( 2 c - 8 )}{c ^{2} - 8 c + 20})

What is expand 2e(e+1)-4(e+5) ?
The solution to expand 2e(e+1)-4(e+5) is 2e^2-2e-20