If 3p-2q=10 and pq=-1,then find the value of 9q^2+4q^2
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Step-by-step explanation:
(3p-2q)^2=9p^2+4q^2-2(3p)(2q)
(10)^2=9p^2+4q^2-12pq
100=9p^2+4q^2+12. _____pq=-1
9p^2+4q^2=100-12=88
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