Answer:
x=-2.5,9
Step-by-step explanation:
Set them equal to each other to say 2x^2-9x=4x+45. Get them all on one side to get 2x^2-13x-45. Factor that out to get (x+2.5)(x-9). Set that equal to 0 to get x=-2.5,9
Answer:
-4x-8
Step-by-step explanation:
First, set them up as (4x-6) - (8x +2).
Then simplify.
4x-6-8x-2
4x-8x-6-2
-4x-8
Answer: -2x+14
Step-by-step explanation: use the distributive property. -2 times x and -2 times -7. -2x+14
Answer:
1. no
2. yes
3. yes
4. yes
5. no
Step-by-step explanation:
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