diff --git a/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 1.md b/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 1.md
index c652c9e..5438d20 100644
--- a/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 1.md	
+++ b/Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Unit 2: Quadratic Equations 1.md	
@@ -33,11 +33,11 @@ $`b = \dfrac{-2 \pm \sqrt{4+4(168)}}{2}`$
 
 $`b = \dfrac{-2 \pm 26}{2}`$
 
-$`b = -1 \pm 26 \implies b = 25, -27`$
+$`b = -1 \pm 13 \implies b = 12, -14`$
 
 $`\because b \gt 0 `$
 
-$`\therefore b = 25cm`$
+$`\therefore b = 12cm`$
 
 ### Question 2 a)