Question

x(x+1)+(x+2)+(x+3)+...+(x+100)=5750

Answer 1

x(x+1)+(x+2)+(x+3)+...+(x+100)=5750

=> (x+x+x+x+...+x)+(1+2+3+...+100)=5750

=> 101x+5050=5750

101x = 5750-5050

101x = 700

x = 700 : 101

x = 700/101

Answer 2

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