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Subtract – 3ab – 8 from 3ab – 8. Also subtract 3ab + 8 from -3ab – 8. |
Answer» Subtracting -3ab – 8 from 3ab + 8 = 3ab + 8 – (-3ab – 8) = 3ab + 8 + (3ab + 8) = 3ab + 8 + 3ab + 8 = (3 + 3) ab + (8 + 8) = 6ab + 16 Also subtracting 3ab + 8 from – 3ab – 8 = – 3ab – 8 – (3ab + 8) = – 3ab – 8 + (-3ab – 8) = – 3ab – 8 – 3ab – 8 = [(-3) + (- 3)]ab + [(-8) + (-8)] = – 6ab + (- 16) = -6ab – 16 |
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