Answer:
30 cm²
Step-by-step explanation:
6*(4+6)/2=30 cm²
Multiplication is the answer I believe
The answer is -11/2, 9/2
Explanation
You have to rewrite the absolute value equation as two separate equations.
2x+1=10
2x+1=-10
Then you solve for X in each equation.
2x+1=10 would give you 9/2
2x+1=-10 would give you -11/2
So your final solutions would be x1= -11/2 x2= 9/2
Check the picture below.
notice, it simply got mirrored over the vertical y-axis.