फाइंड द जीरो ऑफ पॉलिनॉमियल 21yस्क्वायर - 11 y- 2 इक्वल टू जीरो
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Step-by-step explanation:
after equating with zero
7y+1=0
7y=-1
y=-1/7
and
3y-2=0
3y=2
y=2/3
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