If p= -2, find the value of -3p sq +4p +7
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p=-2
-3p sq+4q+7=0
-3×-2 sq+4×-2+7=0
6sq-8+7=0
6sq-1=0
6sq=1
sq=1/6
-3p sq+4q+7=0
-3×-2 sq+4×-2+7=0
6sq-8+7=0
6sq-1=0
6sq=1
sq=1/6
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