Question

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Answer 1

х²-3х+2=0

х²-х+2x+2=0

x(x-1)-2(x-1)=0

x-1=0 x-2=0

x=1 x=2

x²+7x+10=0

x²+5x+2x+10=0

x(x+5)+2(x+5)=0

x+5=0 x+2=0

x= -5 x= -2.