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geniusboy [140]
3 years ago
14

Simplify the expression 7-1x-(-5x)-10+4x

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0

Answer: 8x-3

Step-by-step explanation:

7-1x-(-5x)-10+4x

7-x+5x-10+4x

Combine like terms

7-10-x+5x+4x

-3-x+5x+4x

-3+8x

8x-3

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Change the equation of the circle x^2+14x+y^2-10y=14x 2 + 14 x + y 2 − 10 y = 14 into center-radius form of a circle.
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Answer:

The answer to your question is      (x + 7)² + (y - 5)² = 88

Step-by-step explanation:

Equation

                     x²  +  14x  +  y²  - 10y   =  14

Complete perfect trinomial squares

                     x² + 14x + (7)² + y² - 10y + (5)² = 14 + (7)² + (5)²

Simplify

                     x² + 14x + (7)² + y² - 10y + (5)² = 14 + 49 + 25

                     x² + 14x + (7)² + y² - 10y + (5)² = 88

Factor

                     (x + 7)² + (y - 5)² = 88   This is the equation in the form

                     center-radius

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