What is 6(0.2a-0.8b)+4b-8(-0.1b+0.6a) ?

The solution to 6(0.2a-0.8b)+4b-8(-0.1b+0.6a) is -3.6a+2.22045E-16b

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simplify 6(0.2a-0.8b)+4b-8(-0.1b+0.6a)

simplify

6 (0.2 a - 0.8 b) + 4 b - 8 (- 0.1 b + 0.6 a)

- 3.6 a + 2.22045 E - 16 b

Solution steps

6 (0.2 a - 0.8 b) + 4 b - 8 (- 0.1 b + 0.6 a)

Expand

6 (0.2 a - 0.8 b) : 1.2 a - 4.8 b

= 1.2 a - 4.8 b + 4 b - 8 (- 0.1 b + 0.6 a)

Expand

- 8 (- 0.1 b + 0.6 a) : 0.8 b - 4.8 a

= 1.2 a - 4.8 b + 4 b + 0.8 b - 4.8 a

Add similar elements:

- 4.8 b + 4 b + 0.8 b = 2.22045 E - 16 b

= 1.2 a + 2.22045 E - 16 b - 4.8 a

Group like terms

= 1.2 a - 4.8 a + 2.22045 E - 16 b

Add similar elements:

1.2 a - 4.8 a = - 3.6 a

= - 3.6 a + 2.22045 E - 16 b

(2 x + 3) (x + 3)

- (t + 7) + \frac{5}{4} t

8 1^{0.25}

2^{- 12}

2^{- 11}

What is 6(0.2a-0.8b)+4b-8(-0.1b+0.6a) ?
The solution to 6(0.2a-0.8b)+4b-8(-0.1b+0.6a) is -3.6a+2.22045E-16b