idai13parris idai13parris

12-01-2020
Mathematics

contestada

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

Respuesta :

arlet124 arlet124

12-01-2020

Answer:

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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