Question

(3x-y)(4x-2y) when x = 5 and y=6​

Answer 1

`\boxed{ \rm 72}`

Explanation:

`\rm \longrightarrow (3x - y)(4x - 2y) \\ \\ \rm \longrightarrow (3 * 5 - 6)(4 * 5 - 2 * 6) \\ \\ \rm \longrightarrow (15 - 6)(20 - 12) \\ \\ \rm \longrightarrow 9 * 8 \\ \\ \rm \longrightarrow 72`