june 2024

[candid otter]

a2, can someone send a model solution to this

[dapper belfry]

x-3 is a factor so f(3) = 0

3(3)^3 - 20(3)^2 + 3(k+17) + k = 0
81 - 180 + 3k + 51 + k = 0
4k = 48
k = 12

[candid otter]

thx