Answer:
x=5
Step-by-step explanation:
4x-3=2x+7
2x-3=7
2x=10
x=5
Answer:
8x^2 - 26x + 33
Step-by-step explanation:
Add the expressions.
2x^2 - 13x + 12 + 6x^2 - 13x + 21 =
= 2x^2 + 6x^2 - 13x - 13x + 12 + 21
= 8x^2 - 26x + 33
Answer:
1 2/4
Step-by-step explanation:
3/4 doubled is 
Now, 
on simplification.
Therefore,
3/4 doubled is 1 2/4
Answer:
8.8
Step-by-step explanation:
This is the correct answer because the 8 repeats.
B if you put it in a graphing calc that is the vertex of 2x^2+1
