What is expand (-d+2((84)/d)-2=0)d ?

The solution to expand (-d+2((84)/d)-2=0)d is -d^2-2d+168=0

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expand (-d+2((84)/d)-2=0)d

expand

(- d + 2 (\frac{84}{d}) - 2 = 0) d

- d^{2} - 2 d + 168 = 0

Solution steps

(- d + 2 (\frac{84}{d}) - 2 = 0) d

= d (- d + 2 (\frac{84}{d}) - 2 \cdot 0 =)

Distribute parentheses

= d (- d) + d \cdot 2 (\frac{84}{d}) + d (- 2 = 0)

Apply minus-plus rules

+ (- a) = - a

- dd + 2 (\frac{84}{d}) d - 2 d = 0

Expand

- dd + 2 (\frac{84}{d}) d - 2 d : - d^{2} - 2 d + 168

- d^{2} - 2 d + 168 = 0

y (1 + ln (x y) + 2 x) d x + (x - 2 y^{2}) d y

lo g_{(x + 1) (x + 2)} (x)

\frac{5}{s ( s + 2 ) ( 0.5 s + 1 )}

\frac{3 x ( x - 2 y )}{4 x ^{2} y + 3}

(- 4 x - 15 y = - 1, 7) - (- 4 x + 20 y = - 52)

What is expand (-d+2((84)/d)-2=0)d ?
The solution to expand (-d+2((84)/d)-2=0)d is -d^2-2d+168=0