Tuesday
March 28, 2017

Post a New Question

Posted by on .

Kahlil said that using the equation

(a + b)2 = a2 + 2ab + b2, , he can find a
similar equation for

(a − b)2 . Examine his argument. If it is correct, supply any
missing steps or justification; If it is incorrect point out why.

(a + b)2 = [a + (−b)]2
= a2 + 2a(−b) + (−b)2
= a2 − 2ab + b2
Mathematical Connections 5‐3
2. a.

  • math - ,

    Your calculations show that the 2 expressions are similar, but your Eq should be (a-b)^2.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question