Question

If 4x² – 6x – m is divisible by x – 3, then m = ______.

Answer 1

If 4x² – 6x – m is divisible by x - 3, then m = 18.

Explanation:

If 4x² – 6x – m is divisible by x – 3, then by the Remainder Theorem P(3) = 0.

So 4(3)² – 6(3) – m

= 36 – 18 – m

= 18 – m

= 0

Hence m = 18.