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5 votes
Which of the following is equivalent to the expression shown (0.2x-1)+(0.3-0.01x)

User PhillFox
by
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1 Answer

5 votes

Answer:

0.07x - 0.002x^2 - 0.3

Explanation:

Given the expression shown (0.2x-1)+(0.3-0.01x)

Expand

(0.2x-1)+(0.3-0.01x)

= 0.2x(0.3) - 0.2x(0.01x)-1(0.3) + 1(0.01x)

= 0.06x - 0.002x^2 - 0.3 + 0.01x

= 0.06x+0.01x - 0.002x^2 - 0.3

= 0.07x - 0.002x^2 - 0.3

This gives the required expression

User Caynadian
by
7.5k points
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