What should be added to - 4x2 + 3x + 1 to get 2x2 - 9x + 1?
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Answer:
x= 6x^2 -12x
Step-by-step explanation:
x + (-4x^2 + 3x + 1 ) = 2x^2 -9x+1
x = 2x^2 -9x + 1 + 4x^2 - 3x -1
x= 6x^2 -12x
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