alepinkbear9 alepinkbear9

25-04-2020
Mathematics

contestada

Which expression is a factor of x^2 + 2x – 15?

Respuesta :

edyg144 edyg144

25-04-2020

To factor this you need values that add up to 2 and multiply to -15

So you get 5,-3 then you put it into your equation for you b value

X^2+5x-3x-15

Then you can factor by grouping

X(x+5)-3(x+5)

So your factors are

(X+5)(x-3)

Answer Link

Otras preguntas

What social commentary about communist Russia does Orwell make with this excerpt

What is the relationship between demand and supply of a monopoly companies product?

Read this excerpt from Thomas Paine's famous essay "The Crisis Number One": I have as little superstition in me as any man living, but my secret opinion has eve

12. How are secondary sources of energy different from other energy resources? (Plz help)

12x + 8 + 84 = 15х +9

What are the common themes in the works of George Orwell?

how many significant figures are in 1.20407 x 10 to the zeroth power

Define power and how to determine power

Pleaseeeee help! And explain how you found the answer!

Samantha has many types of files on her computer. She is looking for a particular file with the .wma extension. Which type of file is she looking for?