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Solve the quadratic equation by factorisation method
x2 - 15x + 54 = 0.
Answers
Answered by
7
x=6 and x =9
Step-by-step explanation:
x2-15x+54
x2-9x-6x+54
Answered by
2
Answer:
X² – 15x + 54 = 0
⇒ x² - 9x - 6x + 54 = 0
⇒ x (x - 9) - 6 (x - 9) = 0
⇒ (x - 6) (x - 9) = 0
⇒ (x - 6) = 0 or (x - 9) = 0
⇒ x = 6 or x = 9
So, 6 and 9 are the roots of the given quadratic equation.
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