Question

1. Add the following:

c) 3n?, 2n”, -5n2 and n

Answer 1

Answer:

Step1

Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple.

3n\left(5n_{2}-2n^{2}\right)3n(5n

2

−2n

2

)

Step2

Expand the expression.

-6n^{3}+15nn_{2}−6n

3

+15nn

2

Solution

15nn_{2}-6n^{3}15nn

2

−6n

3

Step-by-step explanation:

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