Friday
March 24, 2017

Post a New Question

Posted by on Monday, September 6, 2010 at 7:20pm.

Simplify each expression.

1)(sqrt7 + 5)(sqrt7 -6)


My answer is sqrt 7 - 30


Am I correct?

  • Math(Please check answer) - , Monday, September 6, 2010 at 7:29pm

    no, you forgot the middle terms

    (√7 + 5)(√7 - 6)
    = 7 + 5√7 - 6√7 - 30 , using FOIL
    = -23 - √7

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question