Math, asked by sharmipaul2015, 6 months ago

-3[4q-3{3q-3(q-q-7) +4q}]

Answers

Answered by reachal2005

3

Answer:

-3[4q-3{3q-3(q-q-7)+4q}]

=-3[4q-3{3q-3q+3q+21+4q}]

= -3[4q-3+7q+21]

= -12q+63q+189

=51q+189

Therefore answer is 51q+189

Answered by arshbanipal

2

Answer: -84q

Step-by-step explanation:

-3[4q-3{3q-3(q-q-7) +4q}]

-3[4q-3{3q-3q+3q+21+4q}]

-3[4q-3{7q+21}]

-3[28q+84q-21q-63q]

-3[28q+84q-84q]

-3[28q]

-84q

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