EXERCISE
Add the following expressions:
(i) 5x, 7x, -6x
(iii) 5a²b, -8ab, 7a²b
(v) x - 3y + 4z, y - 2x - 8z, 5x - 2y - 3z
(vii) 5x - 2x2 - 8, 8x2 - 7x -9,3 + 7x2 - 2x
Answers
Answered by
3
Answer:
i) 5x+7x-6x = 6x
Step-by-step explanation:
sorry, but I don't have enough time to answer all your questions
Answered by
2
Step-by-step explanation:
5x, 7x, -6x
= 5x+7x-(-6x)
=6x
5a²b, -8ab,7a²b
=(5+7)a²b + (-8)ab
=12a²b - 8ab
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