find the zeroes of the polynomial 5tsq+12t+7 and verify the relationship between zeroes and coefficients
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5 t.t + 5 t + 7 t + 7
= 5t( t +1) + 7(t+1)
= (5t+7)(t+1)
t = -7/5,-1
= 5t( t +1) + 7(t+1)
= (5t+7)(t+1)
t = -7/5,-1
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