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
Maslowich
3 years ago
13

21) Solve x2 - 13x - 30 = 0 by factoring.

Mathematics
2 answers:
stepan [7]3 years ago
7 0

Answer:

x=15 or x=-2

Step-by-step explanation:

x^2-13x-30=0

First find the multiples of 30 that will also equal to 13.

6*5=30 ,15*2=30 and 10*3=30

  1. x^2-15x+2x-30=0
  2. x(x-15)+2(x-15)=0
  3. (x-15)(x-2)=0
  4. x-15=0 or x+2=0
  5. x=15 or x=-2
stellarik [79]3 years ago
3 0

Answer:

x= 15, -2!!!!!!!!!!!!!!

You might be interested in
What is the distance between points A and B? Use absolute value to explain your answer.
skelet666 [1.2K]

Answer

(1,2)

Step-by-step explanation:

6 0
2 years ago
Jake opened up an account with $300 and
frozen [14]

Answer:

5 he'll pay

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Round 12.03994 to 3 decimal place
Misha Larkins [42]
12.03994\to\boxed{12.04}
8 0
3 years ago
Please help need the answer now!!
Korvikt [17]

Answer:

D

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST
vazorg [7]
Graph a... you go down on the y axis 3, and then using the rise over run method, you go up 3, over 4
3 0
3 years ago
Read 2 more answers
Other questions:
  • The number of hours you work in a week.​
    7·1 answer
  • How would i solve. been getting wrong a and b
    15·1 answer
  • Simplify the expressions by combining like terms
    15·2 answers
  • -how do I solve this equation:3-6(10-9v+7v)
    15·1 answer
  • What is the measure of
    12·1 answer
  • CAN SOMEONE PLEASE JUST ANSWER THIS ASAP FOR BRAINLIEST!!!
    13·1 answer
  • Need help solving for y​
    7·1 answer
  • Find the measure of side WX. Figures are not drawn to scale. ​
    8·1 answer
  • Mr. Jordan plans to leave the total of his savings to his four children. If they all are to receive the same amount of inheritan
    7·1 answer
  • For each diagram, decide if y is an increase or a decrease of x. Then determine the percentage.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!