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Alexxandr [17]
3 years ago
13

-3(r-1/3)=3 solve the equation

Mathematics
1 answer:
nlexa [21]3 years ago
8 0

Answer:

r = -2/3

Step-by-step explanation:

-3(r-1/3)=3

Divide each side by -3

-3/-3(r-1/3)=3/-3

r - 1/3 = -1

Add 1/3 to each side

r - 1/3 +1/3 = -1 + 1/3

Get a common denominator

r = -3/3+ 1/3

r = -2/3

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The equivalent expression of x^3 (x^2 + 5x + 7) is x^5 + 4x^4 + x^4 + 8x^3 - x^3

<h3>How to determine the equivalent expression?</h3>

The expression is given as:

x^3 (x^2 + 5x + 7)

Expand the expression

x^3 * x^2 + x^3 * 5x + x^3 * 7

Evaluate the product

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Expand the expression

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Hence, the equivalent expression of x^3 (x^2 + 5x + 7) is x^5 + 4x^4 + x^4 + 8x^3 - x^3

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