zeroes of the polynomial P(y)=9y^2-49 are
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Answer:
9y²-49 = (3y)²-(7)²
= (3y+7) (3y-7)
3y+7=0 , 3y-7=0
y= -7/3 y = 7/3
zeroes are -7/3 , 7/3
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