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a ^{2} + 4a ^{2} +9988
= a.a^{2} +4 (3-a) +9988
= 3a - a^{2} + 12 -4a +9988
= -a ^{2} -a+10000
= -(3-a)-a+10000
= -3+a-a+10000
= 9997
a ^{2} + 4a ^{2} +9988
= a.a^{2} +4 (3-a) +9988
= 3a - a^{2} + 12 -4a +9988
= -a ^{2} -a+10000
= -(3-a)-a+10000
= -3+a-a+10000
= 9997