Question

Check whether 2x-3 is factor of 3x3 + x2 + 2x + 5​

Answer 1

2x -3=0

2x=3 x=3/2

3(3/2)^3+ 3/2^2+2(3/2)+5

81/8+9/4+ 3+5

81/8+9/4+8

81+18+64÷8

163÷8

is not a factor of that expression