Advertisements
Advertisements
प्रश्न
Solve the following equation:
(2x+3) (3x-7) = 0
Advertisements
उत्तर
(2x + 3)(3x - 7) = 0
⇒ (2x + 3) = (3x - 7) = o
⇒ 2x = - 3, 3x = 7
⇒ x = `-3/2` , x = `7/3`
APPEARS IN
संबंधित प्रश्न
Find the roots of the following quadratic equation by factorisation:
`2x^2 – x + 1/8 = 0`
A girls is twice as old as her sister. Four years hence, the product of their ages (in years) will be 160. Find their present ages.
`4x^2+4sqrt3x+3=0`
Solve the following quadratic equation for x:
x2 − 4ax − b2 + 4a2 = 0
Solve the following quadratic equation by factorisation.
x2 + x – 20 = 0
If 1 is a root of the quadratic equation \[3 x^2 + ax - 2 = 0\] and the quadratic equation \[a( x^2 + 6x) - b = 0\] has equal roots, find the value of b.
If an integer is added to its square the sum is 90. Find the integer with the help of a quadratic equation.
Divide 29 into two parts so that the sum of the square of the parts is 425.
Solve the following equation by factorization
`x + (1)/x = 2(1)/(20)`
The length of a rectangle exceeds its breadth by 5 m. If the breadth were doubled and the length reduced by 9 m, the area of the rectangle would have increased by 140 m². Find its dimensions.
