1.

1. Add the following expressions:(i) 5x, 7x,-6x

Answer»

5x+7x+(-6x)x(5+7-6)x(5+1)6x

5x + 7x =12x12x - 6x = 6x

5x+7x(-6x) x(5+7-6) x(5+1) 6x



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