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
Veronika [31]
4 years ago
5

Solve the equation. 2x^2+7=15x

Mathematics
1 answer:
77julia77 [94]4 years ago
3 0
2x^2+7=15x \\
2x^2-15x+7=0\\
2x^2-x-14x+7=0\\
x(2x-1)-7(2x-1)=0\\
(x-7)(2x-1)=0\\
x=7 \vee x=\frac{1}{2}

You might be interested in
What's the circumference of a<br> circle with a radius of 6 inches?<br> Use 3.14 <br> C = [?] inches
velikii [3]

Answer:

37.7

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the discriminant of x²+6x+9=0 ​
Rainbow [258]

Answer:

x²+6x+9=0

x²+3x+3x+9=0

x(x+3)+3(x+3)=0

(x+3)(x+3)=0

either

x+3=0

x=-3

or

x+3=0

x=-3

Step-by-step explanation:

next method

x²+6x+9=0

x²+2×x×3+3²=0

it is in formula of (x+y)²

(x+3)²=0

x+3=√0

x+3=0

x=-3

8 0
3 years ago
Adding Mixed Numbers<br> Find each sum. Simplify your answer.<br> 1. 5+31 =
tigry1 [53]

Answer:

36:)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Log(x)²=(logx)², find the value of x​
Gnesinka [82]

Answer:

x = 7.39

Step-by-step explanation:

log(x)²=(logx)², find the value of x​

log x² = log x * log x

2log x = log x * log x

2 = log x

Take the exponent pf both sides

e² = e^logx

e²  = x

x  = e²

x = 7.39

6 0
3 years ago
If he starts at 1 and jumps 3 units to the right, then where is he on the number line? How far away from zero is he?
Ilya [14]

Answer:

If you mean he starts at 1 on the Y axis (vertical line), then the answer is (1, 3). If you mean he starts at 1 on the X axis (horizontal line), then the answer is (0, 4)

3 0
3 years ago
Read 2 more answers
Other questions:
  • Calculate the derivative of the function. hint [see example 1.] f(x) = 7x + x2
    12·1 answer
  • For what values of x and y must each figure be a parallelogram?
    15·2 answers
  • The data represent the ages of people working at a store.
    12·1 answer
  • (◞ ‸ ◟) PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP ≧﹏≦
    13·1 answer
  • The file CEOSAL2.RAW contains data on 177 chief executive officers and can be used to examine the effects of firm performance on
    14·1 answer
  • PLEASE HELPPPP quickly
    11·2 answers
  • "Five divded by the sum of a and b" written as a fraction would be
    10·1 answer
  • Is this right???????
    9·1 answer
  • NEED HELP ASAP WILL MARK BRAINLIEST!!
    9·2 answers
  • Sasha practices piano for 45 minutes, 6 days a week. How many minutes does Sasha practice in a week? Use an area model to solve.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!