Answer:
x^2+10
Step-by-step explanation:
2x^2+3-(x^2-7)
2x^2+3-×^2+7
x^2+10
Answer: -x^2 + 12x +5
Step-by-step explanation:
Answer:
1. =2
2. times 2
3. b.
Step-by-step explanation:
Answer:
8/5=x
Step-by-step explanation:
1/2x+12=8x
Subtract 1/2x from both sides
12=15/2x
Multiply 2/15 on both sides
8/5=x
