Simplify ( a² + 5 ) ( b³ + 3 ) + 5 and find its value for a = 1 , b = -2
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(a² + 5 ) ( b³ + 3 ) + 5
a = 1 , b = -2
=[(1)×(1) +5][(-2)(-2)(-2) +3] +5
=[1 + 5][-8 +3] +5
=(6)(-5) + 5
=-30+5
=-25
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