diff --git a/Grade 10/Math/MPM2DZ/Factoring Quiz.md b/Grade 10/Math/MPM2DZ/Factoring Quiz.md
index 046560a..302b481 100644
--- a/Grade 10/Math/MPM2DZ/Factoring Quiz.md	
+++ b/Grade 10/Math/MPM2DZ/Factoring Quiz.md	
@@ -1,6 +1,57 @@
-## Level 1
+# Level 1
 
-a. $`2x^`4 - 32$
-    - $`= 2(x^4-16)`$
-    - $`= 2((x^2-4)(x^2+4)`$
-    - $`= 2((x+2)(x-2)(x^2+4))`$
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+## $`2x^4 - 32`$
+- $`= 2(x^4-16)`$
+- $`= 2((x^2-4)(x^2+4)`$
+- $`= 2((x+2)(x-2)(x^2+4)) \\`$
+
+## $`2x^2+11x-21`$
+- $`=2x^2+11x-21`$
+- $`\quad \quad 2 \quad -3`$
+- $`\quad \quad 1 \quad \quad 7`$
+- $` = (2x+3)(x+7)`$
+
+## $`x^3y^2 + 2x^2y^2-3xy^2`$
+- $`=xy^2(x^2+2x-3)`$
+- $`\quad \quad \quad \quad 1 \quad -1`$
+- $`\quad \quad \quad \quad 1 \quad \quad 3`$
+- $`= xy^2(x-1)(x+3)`$
+
+# Level 2
+
+## $`4x^4-9x^2+30x-25`$
+- $`=4x^4-(9x^2-30x+25)`$
+- $`\quad \quad \quad \quad \quad \quad 3 \quad -5`$
+- $`\quad \quad \quad \quad \quad \quad 3 \quad -5`$
+- $`= 4x^4 - (3x-5)^2`$
+- $`= (2x^2-3x+5)(2x^2+3x-5)`$
+- $`\quad \quad \quad  \quad \quad \quad  \quad \quad \quad 2 \quad \quad 5`$
+- $`\quad \quad \quad \quad \quad  \quad \quad \quad  \quad 1 \quad -1`$
+- $` = (2x^2-3x+5)(2x+5)(x-1)`$
+
+## $`3(x-y)^2 - 5x + 5y - 2`$
+- $`= 3(x-y)^2 -5(x-y) - 2`$
+- $`\text{Let } a = (x-y)`$
+- $`= 3a^2 - 5a - 2`$
+- $` \quad \quad 3 \quad \quad 1`$ 
+- $` \quad \quad 1 \quad -2 `$
+- $`= (3a+1)(a-2)`$
+- $`=(3(x-y)+1)(x-y-2)`$
+- $`=(3x-3y+1)(x-y-2)`$
+
+# Level 3
+
+## $`x^8 - 17x^4 - 48`$
+- $`\text{Let } y = x^4`$
+- $`= y^2 - 13y - 48`$
+- $`\quad \quad 1 \quad \quad 3`$
+- $`\quad \quad 1 \quad -16`$
+- $`=(y+3)(y-16)`$
+- $`=(x^4+3)(x^4-16)`$
+- $`=(x^4+3)(x^2-4)(x^2+4)`$
+- $`=(x^4+3)(x-2)(x+2)(x^2+4)`$
+
+## $`10(3x-5)^4(2x+3)^5 + 4x^2(3x-5)^3(2x+6)^6`$
+- $`=(2x+3)^5(3x-5)^3(10(3x-5) + 4x^2(2x+3))`$
+- $`=(2x+3)^5(3x-5)^3(30x+50+8x^3+12x^2)`$
+- $`=(2x+3)^5(3x-5)^3(2(4x^3+6x^2+ 15x -25))`$
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