(4x2+4x−3)=?(a) (2x−1)(2x−3)(b) (2x+1)(2x−3)(c) (2x+3)(2x−1)(d) none of these
The correct option is (c):(2x+3)(2x−1)
We have
4x2+4x−3
=4x2+6x−2x−3
=2x(2x+3)−1(2x+3)
=(2x+3)(2x−1)
(4x2+4x−3)=?
(a) (2x−1)(2x−3)
(b) (2x+1)(2x−3)
(c) (2x+3)(2x−1)
(d) None of these
The factors of the polynomial 4x 2+ 12x + 9 are