Claire94
Claire94
18-02-2015
Mathematics
Answered
How do you find x
X*-6x-7=0
Answer :
konrad509
konrad509
18-02-2015
[tex]x^2-6x-7=0\\ x^2+x-7x-7=0\\ x(x+1)-7(x+1)=0\\ (x-7)(x+1)=0\\ x=7 \vee x=-1[/tex]
Answer Link
VIEW ALL ANSWERS ( 86+ )
Other Questions
4.016 as mixed number
To be able to do the problem 5(10 + 4) mentally, Zack does 50 + 20 instead of 5(14). Zack is using which of the following properties?
Which term correctly identifies the underlined words in the sentence? The camp counselor asked for a volunteer to take attendance. Underlined = to take attenda
3/4 -3/8 in simplest form?
1: What is 15:25 as fraction in simplest form. A: 15/25 B: 3/5 C: 1/3 D: 30/50 2: Which number is equivalent to 3/7 A: 6 TO 10 B: 76:107 C: 12/35 D: 7 T
The Sahara desert covers parts of ten countries and one occupied territory I northern Africa. List the countries and territory?
How did Egypt's rulers govern their empire?
Is the sentence compound, or is it simple with a compound verb? You can drive home with us, or you can stay here with them. A. compound sentence B. simple se
Solve 25+10*(12-x)=5*(2x-7)
12. Find S for the given arithmetic series. a = 18, d = –10, n = 12
