Question

Solve the question.​

Answer 1

Answer:60

Step-by-step explanation:

Answer 2

Step-by-step explanation:

x+y=10

Let Y=10-x...1

x^3+y^3=100...2

substitution of 1 in 2

x^3+(10-x)^3=100

x^3+1000-x^3-300x+30x^2=100

30x^2-300x+1000=100

3x^2-30x+90=0

solve the quadratic equation and u will get the answer

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