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Solving Quadratics
Hard
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Question 12
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Markscheme
a.
Factorise
x2+9x+20x^2 + 9x + 20
x
2
+
9
x
+
20
[2]
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Markscheme
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3
Grade answer
b.
Solve
x2+9x+20=0x^2 + 9x + 20 = 0
x
2
+
9
x
+
20
=
0
[1]
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Markscheme
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3
Grade answer
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Solving Quadratics Questions
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