Sign In
Ask Question
Finn Perkins
Mathematics
15 January, 14:49
Simplify this.
4 (b-1) ²-9
+4
Answers (
2
)
Diana Stewart
15 January, 15:15
0
Step-by-step explanation:
4 (b-1) ²-9
= 4[ (b - 1) (b - 1) ] - 9
= 4[b² - b - b + 1] - 9
= 4 (b² - 2b + 1) - 9
Opening bracket
= 4b² - 8b + 4 - 9
= 4b² - 8b - 5
Comment
Complaint
Link
Alma Vega
15 January, 15:18
0
4 (b-1) ²-9 = 4b²-8b-5
4 (b-1) ²-9 = (2b+1) (2b-5)
Step-by-step explanation:
4 (b-1) ²-9 = 4 (b²-2b+1) - 9 = 4b²-8b-5
another way:
4 (b-1) ²-9 = [2 (b-1) ]²-3² = (2b+1) (2b-5)
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“Simplify this. 4 (b-1) ²-9 ...”
in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
What is the answer to 1.95:1.5?
Answers (1)
Find the lump sum that must be deposited today to have a future value of $32,000 in 5 years if funds earn 8% compounded annually
Answers (1)
Bill determines that the angle of elevation to the top of a building measures 40°30'. If he walks 102 ft closer to the building, the measure of the new angle of elevation will be 50°20'. Find the height of the building.
Answers (1)
What is 85% as a fraction?
Answers (2)
5x-6=2x how do i get x
Answers (1)
New Questions in Mathematics
A manufacturing machine has a 7% defect rate. if 5 items are chosen at random, what is the probability that at least one will have a defect? mhf
Answers (1)
F (x) = 2x - 2 Find f (3)
Answers (2)
Albertson's found that the demand for Coke products varies inversely as the price of the product. When the price of a Coke product is $2.75, the weekly demand is 1250. Find the weekly demand if the price is raised to $4.00.
Answers (1)
What is 4 pints into quarts
Answers (1)
5/8 of a number is 40. What is the number?
Answers (1)
Home
»
Mathematics
» Simplify this. 4 (b-1) ²-9
Sign In
Sign Up
Forgot Password?