Advertisements
Advertisements
प्रश्न
Solve the following equation by factorization
(x – 3) (2x + 5) = 0
उत्तर
(x – 3) (2x + 5) = 0
Either x – 3 = 0,
Then x = 3
or
2x + 5 = 0 then 2x = -5
⇒ x = `(-5)/(2)`
Hence x = 3, = `(-5)/(2)`.
APPEARS IN
संबंधित प्रश्न
Solve the following quadratic equation by Factorisation method: x2 + 7x + 10 = 0
Solve the following quadratic equation for x:
`x^2+(a/(a+b)+(a+b)/a)x+1=0`
Find the roots of the following quadratic equation by factorisation:
`2x^2 – x + 1/8 = 0`
Solve the following quadratic equations by factorization:
`x^2-(sqrt3+1)x+sqrt3=0`
The sum of a number and its square is 63/4. Find the numbers.
Solve each of the following equations by factorization:
`x+1/x=2.5`
The sum of the squares to two consecutive positive odd numbers is 514. Find the numbers.
Solve the following equation: `1/("x" - 1) + 2/("x" - 1) = 6/"x" , (x ≠ 0)`
The length of the sides forming a right angle in a triangle are 5x cm and (3x-1) cm. If the area of the triangle is 60cm2, find the hypotenuse.
Solve equation using factorisation method:
`(x - 3)/(x + 3) + (x + 3)/(x - 3) = 2 1/2`
