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2x race to power 2+5x+2=0by factorisation method​

Answer»

2x^2+5x+2=0. 5=4+1 2×2=4×1

2x^2+4x+x+2=0

2x(x+2)+1(x+2)

(x+2)=0 or (2x+1)=0

x=-2 or x=-1/2



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