igureMaths
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Solving quadratics by factorising
25 questions
Lesson
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Mark as done
Solve
x
2
+
5
x
+
6
=
0
x^2 + 5x + 6 = 0
x
2
+
5
x
+
6
=
0
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Level 2
2 marks
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→
Mark as done
Solve
x
2
−
4
x
=
0
x^2 - 4x = 0
x
2
−
4
x
=
0
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Level 2
2 marks
Start
→
Mark as done
(a)
Expand and simplify
(
2
x
+
3
)
(
x
−
4
)
(2x + 3)(x - 4)
(
2
x
+
3
)
(
x
−
4
)
[2]
(b)
Factorise
4
x
2
−
25
4x^2 - 25
4
x
2
−
25
[1]
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Level 2
3 marks
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