Question

if x^3+y^3=16 then (x+y)^3 =​

Answer 1

Step-by-step explanation:

64

I hope it is ok..

x=2

y=2

Answer 2

$\large{\underline{\underline{\bold{\red{\sf{Bonjour !}}}}}}$

${x}^{3} + {y}^{3} = 16 \\ (x + y) {}^{3} = {x}^{3} + {y}^{3} + 3 {x}^{2} y + 3x {y}^{2} \\ (x + y) {}^{3} = 16 + 3xy(x + y)$

$\large{\bold{\blue{\sf{thanks}}}}$