2) solve the following quadratic equations by factorisation method , x²-15x+54=0
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Answer:
10(40+49-76-56-67+7(-8(
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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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