+0  
 
0
62
1
avatar

What is the factored form of this expression?

x2 + 9x + 16

 May 18, 2023
 #1
avatar+214 
+1

If x2 is \(x^2\) then use the quadratic formula.

 \(x^2+9x+16=0\)

\(x = {-9 \pm \sqrt{9^2-4 \cdot 1 \cdot 16} \over 2 \cdot 1}\)

\(x = {-9 \pm \sqrt{81-64} \over 2}\)

\(x = {-9 \pm \sqrt{17} \over 2}\)

Since this is irrational, the expression cannot be factored.

 May 18, 2023

2 Online Users

avatar