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Expanding and Factorising Quadratics
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Question 44
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Markscheme
a.
Expand and simplify
(x+7)(x−7)(x + 7)(x - 7)
(
x
+
7
)
(
x
−
7
)
[2]
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3
Grade answer
b.
Factorise
x2−9x+20x^2 - 9x + 20
x
2
−
9
x
+
20
[2]
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3
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Expanding and Factorising Quadratics Questions
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Expanding and Factorising Quadratics
