What is expand 0.5(2x+20)(5,2)+2x(15-2x) ?

The solution to expand 0.5(2x+20)(5,2)+2x(15-2x) is 2*0.5(5*2,)x+20*0.5(5*2,)-4x^2+30x

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expand 0.5(2x+20)(5,2)+2x(15-2x)

expand

0.5 (2 x + 20) (5, 2) + 2 x (15 - 2 x)

2 \cdot 0.5 (5 \cdot 2,) x + 20 \cdot 0.5 (5 \cdot 2,) - 4 x^{2} + 30 x

Solution steps

0.5 (2 x + 20) (5, 2) + 2 x (15 - 2 x)

= 0.5 (5 \cdot 2,) (2 x + 20) + 2 x (15 - 2 x)

Expand

0.5 (5, 2) (2 x + 20) : 2 \cdot 0.5 (5 \cdot 2,) x + 20 \cdot 0.5 (5 \cdot 2,)

= 2 \cdot 0.5 (5 \cdot 2,) x + 20 \cdot 0.5 (5 \cdot 2,) + 2 x (15 - 2 x)

Expand

2 x (15 - 2 x) : - 4 x^{2} + 30 x

= 2 \cdot 0.5 (5 \cdot 2,) x + 20 \cdot 0.5 (5 \cdot 2,) - 4 x^{2} + 30 x

\frac{( n + 1 ) ^{2}}{2 n + 1}

\frac{5 x}{( 3 x - 2 ) ^{2}}

2 (1 + x)^{8} d x

sin (2 (t - w))

[\frac{( 1 + ln ( x ) ) ^{2}}{x}]^{^{'}}

What is expand 0.5(2x+20)(5,2)+2x(15-2x) ?
The solution to expand 0.5(2x+20)(5,2)+2x(15-2x) is 2*0.5(5*2,)x+20*0.5(5*2,)-4x^2+30x