Answer :
Answer:
20[tex]x^{2}[/tex] + 109x -15
Step-by-step explanation:
12x * 5 = 60x
12x * 3x = 36x
12x * -2x= -24[tex]x^{2}[/tex]
-3 * 5 = -15
-3 * 3x = -9x
-3 * -2x = 6x
2x * 5 = 10x
2x * 3x =6x
2x * -2x= -4[tex]x^{2}[/tex]
60x + 36x -9x + 6x + 10x + 6x = 109x
24[tex]x^{2}[/tex] - 4
-15
Hope this helpss