Math, asked by mondalchaitali922, 1 month ago

15-[12x+7-{11x-(8x-5-6x)+7x}-9x]

Answers

Answered by 15833

1

Answer:

=15-12x+7-11x-8x²+55x+66x²+7x -9x

=22+30x58x²

pls mark it as the brainliest answer

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