Question

if a+b=6 and ab=(-8) find a³ +b³​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

${a}^{3} + {b}^{3} = (a + b)( {a}^{2} + {b}^{2} - ab) \\ {a}^{3} + {b}^{3} = (a + b)( {(a + b)}^{2} - 3ab) \\ {a}^{3} + {b}^{3} = 6(36 - 3( - 8)) \\ {a}^{3} + {b}^{3} = 6(60) \\ {a}^{3} + {b}^{3} = 360$

hope it helps