Question 1018025

3.	Factor each of the following expressions.
		a.   x2 + 14x + 49
				Answer:
	b.	81w2 – 36wz + 4z2
				Answer:

4.Mila factored m2 + 12mn + 144n2 as shown.
I know that since   and  , the first and third terms of the trinomial are perfect squares. This means that m2 + 12mn + 144n2 = (m + 12)2.
	
Comment of Mila’s strategy.
		Answer:
<pre>Comment on Mila's answer: Factoring {{{m^2 + 12mn + 144n^2}}} <b><u>DOES NOT</b></u> result in {{{(m + 12)^2}}}