lizzy223
lizzy223
23-08-2017
Mathematics
contestada
I'm having trouble with this question any help?
Respuesta :
choixongdong
choixongdong
23-08-2017
answer is 2) 49/4
x^2 +7x = 11
left side
x^2 + 2 (x) (7/2) + 49/4
= (x + 7/2)^2
Answer Link
mreijepatmat
mreijepatmat
23-08-2017
The added number is 49/4. Proof:
x² + 7x = 11
x² + 7x + 49/4 = 11 + 49/4
(x+7/2)² = 11+49/4
Answer Link
VER TODAS LAS RESPUESTAS ( 41+ )
Otras preguntas
A jet ski depreciates at 11% of its original value each year. If the jet ski was $8000 at its time of purchase, what is the value of the jet ski after 5 years?
What is the resistance of a 3.1 m length of copper wire 1.7 mm in diameter?
Why can't Italians grow cacao today?
Write a situation that could be modeled with this expression: 35x + 14.
Organisms are able to reproduce either sexually or asexually. Which of the following statements is true of these reproductive processes? A. THe sorting of genes
what is importance of adoption?
Can instantaneous velocity ever be negative?
Frank bought 12.6 gallons of gasoline for $26.96. how much, to nearest cent, was the cost per gallon or gasoline?
giving human characteristics to something that isn't human
What is universal suffrage ?
