210, 420, 630, 840
multiples of 2*3*5*7
Answer:
7x^3-7x^2+14x
Step-by-step explanation: hope I helped
Angles on a straight line add up to 180 degrees so
45 + 3x = 180
Subtract 45 from both sides to remove the 45 on the left
3x = 135
Then divide both sides by 3
x = 45
Answer is X = 45
1. 6 is the answer
2. 56 is divisible by 14
