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30 June, 05:23

Thomas is asked to multiply out and simplify (3d - 4) (5d - 2).

He gives the solution 15dsquared - 26d - 8.

Thomas is wrong. Explain the mistake he has made

+2
Answers (1)
  1. 30 June, 05:45
    0
    15d^2 - 26d + 8

    Step-by-step explanation:

    Thomas forgot the two negatives make a positive so - 8 would actually be + 8
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