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
AleksAgata [21]
3 years ago
11

Solve by factoring. x2 - 49 = 0

Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0
Remember
difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)

(x)^2-(7)^2=(x-7)(x+7)

set to zero
x-7=0
x=7

x+7=0
x=-7

x=-7 or 7
You might be interested in
When diving a bald eagle can reach a speed of 200 miles per hour what is this speed in in feet per second
GarryVolchara [31]
293.34 ft per second
7 0
3 years ago
Is the given number a solution of the equation?<br> 8=2+3; 10
kykrilka [37]

Answer:

No.

Step-by-step explanation:

8 doesn't equal 0 on the very right, which means it's not a solution to the equation.  So therefore, it is false based on the equation.

7 0
3 years ago
What is the domain of h?
iren2701 [21]

Answer:

its actually D :0

Step-by-step explanation:

7 0
3 years ago
A car dealership owner creted a data table shows how many new and used cars where slide over several months
klemol [59]

Answer:

the answer is 75

Step-by-step explanation:

i took he unit test

5 0
3 years ago
dillon is planning to save 1/2 of the 5$ that he has earned which expression is not equivalent to 1/2 of 5
castortr0y [4]

Answer: dillon needa learn maths

Step-by-step explanation: nope

3 0
2 years ago
Other questions:
  • A meat market has 68 pounds of meat to divide it equally into 6 packs. He must use all the meat. How many pounds of meat will be
    11·1 answer
  • A grocery store sells a 7 oz bag of raisins for $1.10 and a 9 oz bag of raisins for $1.46. which size bag has the lower price pe
    5·2 answers
  • Which of the following expressions does not mean the same as the other three?
    8·2 answers
  • Chris can be paid in one of two ways. Plan A is a salary of $400 per month, plus
    6·1 answer
  • Simplify:<br> 4x^3 * 2x^3
    14·1 answer
  • The double number line below shows the number of students in Mr. Fulton's class. It shows the number of students that represents
    15·1 answer
  • The seating capacity of a theater is 250. Tickets are $3 for children and $5 for adults. The theater must take in at least $1100
    6·1 answer
  • What is 5,250 ÷ 6 = to? i have been having trouble
    5·2 answers
  • Solve the system of linear equations by substitution.<br> 3x + y = -9<br> y=5x+7
    8·1 answer
  • Find the measure of KL<br><br> A. 10<br> B. 5<br> C. 7<br> D. 8
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!