Advertisements
Advertisements
प्रश्न
Solve the following equation:
(x - 1 )(x + 6) - (x - 2)(x - 3) = 3
उत्तर
(x - 1 )(x + 6) - (x - 2)(x - 3) = 3
x2 - x + 6x - 6 - (x2 - 3x - 2x + 6) = 3
⇒ x2 + 6x - x - 6 - x2 + 3x + 2x - 6 = 3
10x - 12 = 3
10x = 3 + 12
10x= 15
x = `15/10 = 3/2 = 1 1/2`
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
3p = 12
Solve the following equation:
14 = 27 - x
19x + 13 -12x + 3 = 23
Solve: 15 – 2 (5 - 3x) = 4 (x - 3) + 13
The difference between a number and one- fourth of itself is 24, find the number.
A man is thrice as old as his son. After 12 years, he will be twice as old as his son at that time. Find their present ages.
Solve the following equations for the unknown: 2x - (3x - 4) = 3x - 4
Solve the following equations for the unknown: (a + 2)(2a +5) = 2(a + 1)2 + 13
The perimeter of a rectangular field is 80 m. If the breadth is increased by 2 m and the length is decreased by 2 m, the area of the field increases by 36 m2. Find the length and the breadth of the field.
What number decreased by 18% of itself gives 1599?
