A) \( 4(x-3) = 0 \)
\( x - 3 = 0 \)
\( x = 3 \)
Б) \( 11(x-8) = 0 \)
\( x - 8 = 0 \)
\( x = 8 \)
B) \( (x-1)(x-77) = 0 \)
\( x - 1 = 0 \) или \( x - 77 = 0 \)
\( x = 1 \) или \( x = 77 \)
Г) \( (x-25)(x-10) = 0 \)
\( x - 25 = 0 \) или \( x - 10 = 0 \)
\( x = 25 \) или \( x = 10 \)
Д) \( (x-3)(x-9) = 0 \)
\( x - 3 = 0 \) или \( x - 9 = 0 \)
\( x = 3 \) или \( x = 9 \)
E) \( (x-0,78)(x-\frac{2}{17})=0 \)
\( x - 0,78 = 0 \) или \( x - \frac{2}{17} = 0 \)
\( x = 0,78 \) или \( x = \frac{2}{17} \)
Ë) \( x(x-3) = 0 \)
\( x = 0 \) или \( x - 3 = 0 \)
\( x = 0 \) или \( x = 3 \)
Ж) \( x(x-7) = 0 \)
\( x = 0 \) или \( x - 7 = 0 \)
\( x = 0 \) или \( x = 7 \)
3) \( (x-1)(x-2)(x-3) = 0 \)
\( x - 1 = 0 \) или \( x - 2 = 0 \) или \( x - 3 = 0 \)
\( x = 1 \) или \( x = 2 \) или \( x = 3 \)
И) \( (2x-1)(3x-5) = 0 \)
\( 2x - 1 = 0 \) или \( 3x - 5 = 0 \)
\( 2x = 1 \) или \( 3x = 5 \)
\( x = \frac{1}{2} \) или \( x = \frac{5}{3} \)
K) \( (3x-4,5)(x-1) = 0 \)
\( 3x - 4,5 = 0 \) или \( x - 1 = 0 \)
\( 3x = 4,5 \) или \( x = 1 \)
\( x = \frac{4,5}{3} \) или \( x = 1 \)
\( x = 1,5 \) или \( x = 1 \)
Л) \( (2x-9,8)(9,8x-2) = 0 \)
\( 2x - 9,8 = 0 \) или \( 9,8x - 2 = 0 \)
\( 2x = 9,8 \) или \( 9,8x = 2 \)
\( x = \frac{9,8}{2} \) или \( x = \frac{2}{9,8} \)
\( x = 4,9 \) или \( x = \frac{10}{49} \)
Й) \( x(2x - 2\frac{1}{3}) = 0 \)
\( x = 0 \) или \( 2x - 2\frac{1}{3} = 0 \)
\( x = 0 \) или \( 2x = \frac{7}{3} \)
\( x = 0 \) или \( x = \frac{7}{6} \)
M) \( x(2x-1)(3x-2) = 0 \)
\( x = 0 \) или \( 2x - 1 = 0 \) или \( 3x - 2 = 0 \)
\( x = 0 \) или \( x = \frac{1}{2} \) или \( x = \frac{2}{3} \)
Ответ: A) x=3; Б) x=8; B) x=1, x=77; Г) x=25, x=10; Д) x=3, x=9; E) x=0,78, x=2/17; Ë) x=0, x=3; Ж) x=0, x=7; 3) x=1, x=2, x=3; И) x=1/2, x=5/3; K) x=1,5, x=1; Л) x=4,9, x=10/49; Й) x=0, x=7/6; M) x=0, x=1/2, x=2/3.