<prompt> Bala boleng ba polelo x2 - 3x 5 ha x 7.nan  <response>: Instruction in English: Calculate the value of the expression x2 - 3x 5 when x 7. . Response in English: When we substitute x with 7 in the expression x2 - 3x 5, we get:72 - 37 5 49 - 21 5 33So, the value of the expression x2 - 3x 5 when x7 is 33. . Response in Sesotho: Ha re kenya x ka 7 polelong x2 - 3x 5, re fumana: 72 - 37 5 49 - 21 5 33 Kahoo, boleng ba polelo x2 - 3x 5 ha x7 ke 33. 