Sign In
Ask Question
Mathematics
Beatrice Graham
13 March, 04:06
Which are the solutions of x^2 = - 7x - 8?
+2
Answers (
2
)
Morris
13 March, 05:36
0
First put in standard form and do factoring or the quadratic formula
Comment
Complaint
Link
Sophie Townsend
13 March, 07:27
0
The first term is, x2 its coefficient is 1.
The middle term is, - 2x its coefficient is - 2.
The last term, "the constant", is - 3
Step-1 : Multiply the coefficient of the first term by the constant 1 • - 3 = - 3
Step-2 : Find two factors of - 3 whose sum equals the coefficient of the middle term, which is - 2.
-3 + 1 = - 2 That's it
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, - 3 and 1
x2 - 3x + 1x - 3
Step-4 : Add up the first 2 terms, pulling out like factors:
x • (x-3)
Add up the last 2 terms, pulling out common factors:
1 • (x-3)
Step-5 : Add up the four terms of step 4:
(x+1) • (x-3)
Which is the desired factorization
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“Which are the solutions of x^2 = - 7x - 8? ...”
in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Which is the value of the 6 in 20.896?
Answers (1)
Flour costs $0.80 per pound and sugar costs $0.50 per pound. An order of flour and sugar weighs 15 pounds and costs $9.00. How much flour and sugar is there?
Answers (1)
What are the center and radius of the circle defined by the equation x2 + y2 - 6x+By+21=0?
Answers (1)
Which equation, when graphed, has x-intercepts at (2, 0) and (4, 0) and a y-intercept of (0, - 16) ? f (x) = - (x - 2) (x - 4) f (x) = - (x + 2) (x + 4) f (x) = - 2 (x - 2) (x - 4) f (x) = - 2 (x + 2) (x + 4)
Answers (1)
What are the slope and y-intercept of the linear equation below? 8x + y = 4
Answers (1)
New Questions in Mathematics
17=14 3/4 + 1/6 + missing number
Answers (1)
The world record for the women's 3,000-m steeplechase is 9 min 1.59 s. Find the runner's speed in meters per second. Round answer to the nearest hundredths.
Answers (1)
A rectangle has an area of 85 square cm. If the length is 2 more than 3 times its width, find the dimensions of the rectangle
Answers (1)
If arrivals occur at a mean rate of 3.6 events per hour, the exponential probability of waiting more than 0.5 hour for the next arrival is:
Answers (1)
A multiple number of 7 and divisible by 5 and greater than 55
Answers (1)
Home
»
Mathematics
» Which are the solutions of x^2 = - 7x - 8?
Sign In
Sign Up
Forgot Password?