Answer:
4x^2 -5x + 1 - 2x^2 - 9x + 6
2x^2 - 14x + 7
Step-by-step explanation:
Answer:
18km
Step-by-step explanation:
speed=distance\time taken that's the formula I've used.I hope you'll understand it.
Answer:
x = 3
Step-by-step explanation:
Simplify 2(x+12)
6x+12=2x+24
Move all terms containing x to the left side of the equation. 4 x + 12 = 24
Move all terms not containing x to the right side of the equation. 4 x = 12
Divide each term by 4 and simplify. x = 3
Each one is multiplied by -2...
PROOF
-5 * 10 = -20
-20 * -2 = 40
And so on.
So we need two more numbers so do 40 * -2...
40 * -2 = -80
And then...
-80 * -2 = 160
So the first 6 numbers are...
-5, 10, -20, 40, -80, 160.
We need to find the SUM, which is all the numbers added together.
-5 + 10 - 20 + 40 - 80 + 160 = 105
105 is your answer.
