Mathematics · Oct / Nov 2023 · Paper 21 · Question 20
0580
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20(a)[3]
10 x final answer x + 5 [3]
B1 for 10x(x – 6)
B1 for (x – 6)(x + 5)
20(b)[3]
+ 61 8 x final answer ( )( ) + − x 3 8 1 x [3]
B1 for common denominator of (x + 3)(8x – 1) isw
B1 for 7(8x – 1) + 5(x + 3) or better isw
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