Question

(9x²-16x-4)-(15x-12x²+5)​

Answer 1

Answer:

( 9 x ^ { 2 } - 16 x - 4 ) - ( 15 x - 12 x ^ { 2 } + 5 )

9x^{2}-16x-4-15x+12x^{2}-5

9x^{2}-31x-4+12x^{2}-5

21x^{2}-31x-4-5

21x^{2}-31x-9

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