Question

x³+2x²-x-12 factories in trial and error method ​

Answer 1

Answer:

hope it will help you

Mark me brainliest

Answer 2

Answer:

(x+2)(x+1)(x-1)

Step-by-step explanation:

Take the common,

x²(x+2) -1(x+2)

= (x+2)(x²-1)

Now, we can write (x²-1²)

Since, we know the formula of two difference of square i.e. a²-b²= (a+b)(a-b)

= (x+2)(x+1)(x-1) Ans.

Thank you,

Rinky Sah