What is expand 5.5j+8.9k-4.7k-10.9j ?

The solution to expand 5.5j+8.9k-4.7k-10.9j is -5.4j+4.2k

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expand 5.5j+8.9k-4.7k-10.9j

expand

5.5 j + 8.9 k - 4.7 k - 10.9 j

- 5.4 j + 4.2 k

Solution steps

5.5 j + 8.9 k - 4.7 k - 10.9 j

Group like terms

= 5.5 j - 10.9 j + 8.9 k - 4.7 k

Add similar elements:

5.5 j - 10.9 j = - 5.4 j

= - 5.4 j + 8.9 k - 4.7 k

Add similar elements:

8.9 k - 4.7 k = 4.2 k

= - 5.4 j + 4.2 k

\frac{k ( 5 k - 1 )}{2}

(- a ω^{2} + (b + c)) (- d ω^{2} + (c + e))

(2 x - 1)^{2} \cdot (e^{x} (x - 1))

(e^{2 x} - e^{- x})^{2}

A (- 1, 2) Y B (7, - 4)

What is expand 5.5j+8.9k-4.7k-10.9j ?
The solution to expand 5.5j+8.9k-4.7k-10.9j is -5.4j+4.2k