Register
X squared + kx + 9 = (x + 3) sqaured
165k views
4 votes
X squared + kx + 9 = (x + 3) sqaured

X squared + kx + 9 = (x + 3) sqaured-example-1
User Kulgar
by
7.4k points

2 Answers

3 votes


x^2+kx+9=(x+3)^2\\\\x^2+kx+9=x^2+6x+9\\\\k=6

User Mmohab
by
7.1k points
5 votes
The answer is 6 because with your use the exponent youll get x^3 + 6x + 9. So the x^2 and the 9 cancel out from bothside and you you are left with kx = 6x. Now divide by x and get k = 6.
User Leguest
by
7.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.4m questions

11.0m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!