hi I need the answer for this
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Step-by-step explanation:
a+2b=10
(a+2b)^3=10^3
a^3 + (2b)^3 + 3 a^2 2b + 3 a (2b)^2=1000
a^3 +8b^3+ 3*a*2b(a+2b)=1000
a^3 +8b^3+ 6*15(10)=1000
a^3 +8b^3=1000-900=100
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