Spot the mistake:
3(x + 5) = 3x + 5
4(xy + y) = 4x + 4y
7(w - 4) = 7w + 28
6(a + 2) = 6a + 12
6a + 7a + 2b = 15ab
Wednesday, 24 March 2010
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This blog explains GSCE algebra questions both higher and foundation tier. You can also post algebra questions and will receive answers within 24 hours.