Advertisements
Advertisements
प्रश्न
Solve the following quadratic equation by factorisation:
(2x + 3) (3x - 7) = 0
Advertisements
उत्तर
The given quadratic equation is
(2x + 3) (3x - 7) = 0
⇒ 2x + 3 = 0 or 3x - 7 = 0
⇒ x = `{(-3)/(2), (7)/(3)}`.
संबंधित प्रश्न
Find the roots of the following quadratic equation by factorisation:
`sqrt2 x^2 +7x+ 5sqrt2 = 0`
Solve the following quadratic equations by factorization:
4x2 + 5x = 0
Solve the following quadratic equations by factorization:
`x^2-(sqrt3+1)x+sqrt3=0`
A two digit number is 4 times the sum of its digits and twice the product of its digits. Find the number.
Determine whether the values given against the quadratic equation are the roots of the equation.
2m2 – 5m = 0, m = 2, `5/2`
The sum of the square of two numbers is 233. If one of the numbers is 3 less than twice the other number. Find the numbers.
Solve equation using factorisation method:
x2 – (a + b)x + ab = 0
Solve the following equation and give your answer up to two decimal places:
x2 − 5x − 10 = 0
The length of a rectangular garden is 12 m more than its breadth. The numerical value of its area is equal to 4 times the numerical value of its perimeter. Find the dimensions of the garden.
Find the roots of the following quadratic equation by the factorisation method:
`21x^2 - 2x + 1/21 = 0`
