Math, asked by rupapurnea, 2 months ago

12x - [3x®+ 5x2 - { 7x2 - (4 - 3x - x) + 6x3} - 3x]

Answers

Answered by PiyushBigBrain

2

Solution

12x − [3x3 + 5x2 − 7x2 − (4 − 3x − x3 ) + 6x3 − 3x] =

= 12x − 3x3 − 5x2 + 7x2 − 4 + 3x + x3 + 6x3 + 3x = 4x3 + 2x2 + 18x − 4

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