(8x²-9x+12)+(-12x²-9x-19)
Answers
Answered by
2
Step-by-step explanation:
8x²-9x+12-12x²-9x-19
8x²-12x²-9x-9x+12-19
-4x²-18x-7
Answered by
1
Answer:
= -4x^2 - 18x - 7
Step-by-step explanation:
=8x^2 - 9x + 12 - 12x^2 - 9x - 19
=8x^2 -12 x^2 - 9x -9x +12 - 19
= -4x^2 - 18x - 7
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