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Answer:
The value of x = 1.5
Step-by-step explanation:
Given:
-1.2(3 – x) = -1.8
To Find:
x = ?
Solution:
Distributive property:
The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.
For example A(B + C) = A×B + A×C
Here we have,
-1.2(3 – x) = -1.8
Applying Distributive property we get ,
-1.2×3 -1.2×-x = -1.8
∴ -3.6 +1.2x = -1.8
∴ ![1.2x =3.6-1.8\\\\1.2x=1.8\\\\x=\frac{1.8}{1.2} \\\textrm{multiply numerator and denominator by 10}\\x=\frac{1.8\times 10}{1.2\times 10}\\ \\x=\frac{18}{12} \\\\\\x= 1.5](https://tex.z-dn.net/?f=1.2x%20%3D3.6-1.8%5C%5C%5C%5C1.2x%3D1.8%5C%5C%5C%5Cx%3D%5Cfrac%7B1.8%7D%7B1.2%7D%20%5C%5C%5Ctextrm%7Bmultiply%20numerator%20and%20denominator%20by%2010%7D%5C%5Cx%3D%5Cfrac%7B1.8%5Ctimes%2010%7D%7B1.2%5Ctimes%2010%7D%5C%5C%20%5C%5Cx%3D%5Cfrac%7B18%7D%7B12%7D%20%5C%5C%5C%5C%5C%5Cx%3D%201.5)
∴ x = 1.5
X^-6
You can find the derivative:
-6x^ -7
384
X 4 =
1536
5384
x 4 =
21536
7(4)-9(130)
28-1170
answer: -942