PRACTICE SET 2.2 (Textbook page 36)
Q. Solve the following quadratic equations by
factorisation method :
(1) x2 – 15x + 54 = 0
Answers
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Answer:
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Answered by
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Answer:
Ans is (x-9)(x-6)
Step-by-step explanation:
Factorising x²-15x+54
x²-6x-9x+54
=x(x-6)-9(x-6)
=(x-9)(x-6)
According to question x²-15x+54=0
This employees that (x-9)(x-6)=0
Therefore, (x-9)(x-6)=0
=>(x-9)=0*1/(x-6)
=>x-9=0
=>x=9
Similarly, x=6
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