diff --git a/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Quadratic Equations.md b/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Quadratic Equations.md
index b8b0d8f..97aeab1 100644
--- a/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Quadratic Equations.md	
+++ b/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Quadratic Equations.md	
@@ -27,7 +27,7 @@ $`4b^2 + 8b = 168(2)`$
 
 $`b^2 + 2b = 84 = 0`$
 
-$`b = \dfrac{-2 \pm \sqrt{4+4(84)}`$
+$`b = \dfrac{-2 \pm \sqrt{4+4(84)}}{4}`$
 
 $`b = \dfrac{-2 \pmm \sqrt{340}}{2}`$