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Subtract the following polynomials.
1) 9m - 7m
2) -11x - (-15x)
3) (5x + 7y) - (-5x - 7y)
4. (-12ab + 3b2) - (8ab + 6b2)
5. (147242 + 237y - 17) - (15x2y2 + 23xy - 16​


Sagot :

Answer:

1.) 2m

2) 4x

3) 10x+14y

4) −20ab−3b^2

5) 237y+147241−15x2y^2 −23xy