idai13parris
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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