x²-5x+6 factorise the following using identity
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coefficient of x² is 1
Step-by-step explanation:
1×6=6
we have to expand it that addition or subtraction should be -5
1×6=6
-6+1=-5
x²+x-6x+6=0
x(x+1) -6 (x+1)=0
(x+1)(x-6)=0
x+1=0 x-6=0
x=-1 x=6
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