Question

if 2x2+3x+1=(x=2) (2x-1)+ m then m= _____(a) 3 (b)-3 (c) 2 (d) 0​

Answer 1

Answer:

2x^2 + 3x + 1 = (x+1)(2x+1)+m

==> 2x^2 + 3x+1= 2x^2 + x + 2x + 1+ m

==> 2x^2 + 3x+1 = 2x^2 + 3x + 1 + m

==> m = 2x^2-2x^2 + 3x -3x + 1-1

==> m = 0