Answer:
x=−2±3i√2
Step-by-step explanation:
Use the formula ( b/2 )^2 in order to create a new term. Solve for x by using this term to complete the square.
Answer:
a) 2.5
b) x = 10
Step-by-step explanation:


I hope I helped you^_^
Answer:
20
Step-by-step explanation:
To round a number to the nearest tenth , look at the next place value to the right (the hundredths). If it's 4 or less, just remove all the digits to the right. If it's 5 or greater, add 1 to the digit in the tenths place, and then remove all the digits to the right.