Question

bracket 5 x + 3 bracket 2 X + 4
$(5x + 3)(2x + 4)$

Answer 1

(5x+3)(2x+4)
5x(2x+4)+3(2x+4)
10x^2+20x+6x+12
10x^2+26x+12
taking 2common
5x^2+13x+6
5x^2+10x+3x+6
5x(x+2)+3(x+2)
(x+2)(5x+3)
x=-2 &x=-3/5

Answer 2

(5x+3) (2x+4)
5x(2x+4) +3(2x+4)
10x^2+20x+6x+12
10x^2+26x+12 Ans