Question

If 2x³-ax²-5x+6 is exactly divisible by x-3 then the polynomial is?

Answer 1

since x-3 is a factor of 2x3-ax2-5x+6.
so x-3=0
x=3.

Answer 2

2 into 3 cube minus A into 3 square minus 5 into 3 + 6 = 0 that is equal to 54 - 9 - 15 + 16 = 0 that is called 45 minus 9 is equal to 9A that is equal to a is equal to 459 that is 45