Hard Math Algebra

Evaluate a² - 3(b³ - 4) + a if a = 4 and b = 2.
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1 Answer

a=4 & b=2:

a^2=16,  b^3=8, (b^3-4)=4, 3*(b3-4)=12

a^2+3(b^2-4)+a=16+12+4

=32
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