Answer:
3 : 6 : 9, 1 : 2 : 3, 30 : 60 : 90, 15 : 30 : 45, 2 : 4 : 6
Step-by-step explanation:
common numbers
You have to foil. Times the first two: x(3x). Then times the outer two: x(-1). Then times the inner two: -4(3x). Finally, times the last two: -4(-1). Your equation would be 3x squared - 1x - 12x + 4. Therefore, the simplified answer is 3x^2 (3x to the second power) - 13x + 4.
1+1= -2628474
hope it helps
210, 420, 630, 840
multiples of 2*3*5*7
