Advertisements
Advertisements
Question
Solve the following quadratic equation by factorisation method:
x2 – 15x + 54 = 0
Sum
Advertisements
Solution
x2 – 15x + 54 = 0
∴ x2 – 6x – 9x + 54 = 0
∴ x(x – 6) – 9(x – 6) = 0
∴ (x – 6) (x – 9) = 0
∴ x – 6 = 0 or x – 9 = 0
∴ x = 6 or x = 9
6, 9 are the roots of the given quadratic equation.
shaalaa.com
Is there an error in this question or solution?
2024-2025 (July) Official Board Paper
