Westonci.ca makes finding answers easy, with a community of experts ready to provide you with the information you seek. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

factorise x2 + 2x-15

Sagot :

[tex]\large\bigstar~\fbox{\sc Answer}[/tex]

▸ (x + 5)(x - 3)

[tex]\large\bigstar~\fbox{\sc Steps}[/tex]

We want to factorize the following:

  • [tex]\sf x^2+2x-15[/tex]

Our answer should look like this:

(x + __)(x + __)

First, let's think of two numbers that :

  • add to 2
  • multiply to 15

↠ These numbers are 5 and -3.

Next we write these numbers in the blanks:

(x + 5)(x - 3)

>>> Therefore, our answer is: (x + 5)(x - 3).