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Subtract and simplify: (2x^2 + 5x – 4) – (3x^2 – 7x + 1)
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answers: A. –x^2 + 12x – 5 B. –x^2 – 2x – 3 C. 5x^2 – 2x – 3 D. x^2 + 12x – 3
2x^2-3x^2 + 5x+7x - 4-1
-x^2+12x-3
oh so its D
read what you have for D and then try again.
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oh so its A
@Jhannybean i think she needs your help. @desiraedallas1999 Try again.
x^2+12x-3?
idk i thought was doing it right 2x^2-3x^2 + 5x+7x - 4-1 1x^2+12x-3
what's -4-1?
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-4-1= -4+-1= -3
-4-1 = -(4+1) = -5
oh so A right: -x^2+12x-5
yea
oh ok thanks :)
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