faithg3263 faithg3263
  • 02-08-2020
  • Mathematics
contestada

factor the equation x2-2x-15=0

Respuesta :

Chegsnut36
Chegsnut36 Chegsnut36
  • 02-08-2020

Answer:

(x + 3)(x - 5)

Step-by-step explanation:

Well to factor  x^2-2x-15,

we need to find 2 numbers that multiply to get -15 and add to get -2.

3*-5 = -15

3x + -5x = -2x

x*x = x^2

Factored (x + 3)(x - 5)

Hope this helps :)

Answer Link
Appattuvilai99
Appattuvilai99 Appattuvilai99
  • 02-08-2020

Answer:

(x - 5)(x + 3)

Step-by-step explanation:

Step 1- Find 2 number that multiplies to be -15, but also add to be -2

This would be -5 and 3

-5 * 3 = -15

-5 + 3 = -2

Step 2- write the equation

The equation can be written 2 different ways

1st way- (x - 5)(x + 3)

2nd way- (x + 3)(x - 5)  

Answer Link

Otras preguntas

Long division of 39486400 by 575???
prior to the evolution of the internet, the acceptance of cultural innovation tended to decrease with distance.
Write a hypothesis based on observations and scientific principles.
Guys can you help me with this FAST!!
Where did the Swiss family build a more permanent home
it is difficult to explain language acquisition solely in terms of imitation and reinforcement because children
pls help will mark as brainliest​
2+7/9x=5/6 Rewrite without fractions or decimals
The graph shows the relationship between the amount of time that a backpacker hikes and the distance traveled.What does (5,6) represent?What is the equation of
client with vascular dementia (formerly known as multiinfarct dementia) has signs and symptoms that are different from dementia of the alzheimer type. what char