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simplify: x/x-3 - 3/x+4 + 7/x^2 + x-12

i need help!!! i’ve been struggling on this for a little and i can’t figure it out. please help!

simplify xx3 3x4 7x2 x12 i need help ive been struggling on this for a little and i cant figure it out please help class=

Respuesta :

The first one is the answer as the denominators of the first two fraction are multiplied to make the third denominator so the last tractor doesn’t need to be changed and from there you just cross multiply the first two fractions
kantaymcdowell

Answer: A for the first part and B for the second part

Step-by-step explanation:

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