Thursday
March 30, 2017

Post a New Question

Posted by on .

The expression x^2-7 is not factorable using integer values. But the expression can be written in the form X^2-(Square root7)^2 enabling us to factor it as a “binomial” and its conjugate: (x+square root 7)(x-square root 7) Use this idea to factor the following expressions.



1. X^2-5

  • College Algebra - ,

    x^2 - 5 = (x+√5)(x-√5)

    check by expanding it

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question