Math, asked by thecosmicgamer37, 1 month ago

3(6x×x+7x-9)-7(3x×x+3x-4)

Answers

Answered by unknownbeing143

2

Answer:

3(6x×x+7x-9)-7(3x×x+3x-4)

3(6x²+7x-9)-7(3x²+3x-4)

18x²+21x-27-21x²+21x-28

collect like terms

18x²-21x²+21x+21x-27-28

-3x²+42x-55

the answer is -3x²+42x-55

Answered by bimalkdhal80111

0

right answer is -3x^2+1

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