15
(5x - 3)(3x + 5)
15x2+16x-15 = (3x+5)(5x-3) when factored
30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3
5x2+14x-3 -15. 15*-15x2-x+15x-3[5xx x] [3*5x 3]x(5x-1)+3(5x-3)Answer: (5x-1)(x+3)
15
5(x + 3)
(5x - 3)(3x + 5)
25x2+30x+9 25*9=225 15*15=225 15+15=3025x2+15x+15x+9[5*5xx 3*5x] [3*5x 3*3]5x(5x+3)+3(5x+3)(5x+3)(5x+3)Answer: (5x+3)2
It is: 5x
15x2+16x-15 = (3x+5)(5x-3) when factored
30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3
15 x 45 = (15 x 40) + (15 x 5)
5x
5x + 15 = 5(x + 3)
-15x2+5x=-5x(3x-1)
5(x2 + x + 1)