Question

simplify (225+(-145)] x [+9 -10]​

Answer 1

Answer:

-80...

Step-by-step explanation:

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Answer 2

$= [ (225+(-145)] \times [+9 -10] \\ \\ = [ 225 - 145] \times [ - 1] \\ \\ = [ 225 - 145] \times [ - 1] \\ \\ = [ 80] \times [ - 1] \\ \\ = - 80$