1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ksivusya [100]
3 years ago
13

When solving the equation x2 – 8x - 7 = ( by completing

Mathematics
2 answers:
amid [387]3 years ago
8 0
X^2-8x-7=0
Add 7 to both sides
X^2-8x=7
Now use formula
(B/2a)^2
(-8/2)^2= 16
Add 16 to left subtract from right to get
X^2-8x+16=-9
Now factor into
(X-4)^2=-9
For your final answer
Ivenika [448]3 years ago
5 0

Step-by-step explanation:

x²– 8x - 7 = 0

(x²-8x+16) -7 = 16

(x²-8x+16) = 16+7

(x-4)² = 23

x-4 = √23

so x= 4+√23 or x= -4√23

You might be interested in
What is 20,484,163 in expanded form
LuckyWell [14K]
20,000,000+400,000+80,000+4,000+100+60+3
4 0
3 years ago
HERES MY QUESTION???!!!!!!!!!!!!!!!
Ivan

Answer:   x=55           y=145

x=55

35+90=125

125-180=55

y=145

180-35=145

I hope this is good enough:

5 0
3 years ago
Read 2 more answers
Just this last one left
Vlada [557]

Answer:

2240 scooter

Step-by-step explanation:

725+579+696=2000

2000*1.12=2240

7 0
3 years ago
Read 2 more answers
ASAP PLZ
Cloud [144]

Answer:

3/9 because theyre both equivalent to 1/3

8 0
3 years ago
Read 2 more answers
Find the terminal point P(x,y) on the unit circle determined by the given value of t=4pi/3. Please enter your answer as an order
Crazy boy [7]
So in your circle their is a terminal point who is assigned by the value of  P(x,y) and lies or determined by teh value of T=4pi/3. To get the coordinates of this terminal point first is to know what is the angle of the T and the answer is (-1/2, -sqrt(3)/2)
5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the square root of 5/3 as a fraction?
    10·2 answers
  • Felipe transferred a balance of $3700 to a new credit...​
    7·2 answers
  • Slove x^2-8x=20 by completing the square. which is the solution set of equation?​
    5·1 answer
  • What type of function is represented?
    7·1 answer
  • 3/7 % of a quantity is equal to what fraction of the quantity?
    14·2 answers
  • Need help on the yellow question
    13·2 answers
  • Helpppppppppppppppppp
    10·2 answers
  • jackie made bracelets for 8 days. when he was done he had 96 bracelets. write and equation to express how many bracelets jackie
    15·2 answers
  • What number could t represent to make the inequality true? 2t+4<-8
    13·1 answer
  • Really need help with 11 and 12 just started learning this today and I don't quite understand it would really appreciate it
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!