Factorise x²+12upon35x+1upon35
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Step-by-step explanation:
X^2+12/35x+1/35=0
=>1/35 [35x^2+12x+1]=0
=>35x^2+12x+1=0
=>35x^2+7x+5x+1=0[by splitting the middle term)
=>7x(5x+1)+1(5x+1)=0
=>(7x+1)(5x+1)=0
=>x=-1/7 or x=-1/5
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