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Scrat [10]
3 years ago
12

Express 3x-x^2 as m-(x-n)^2. Ill give brainliest to correct answer!

Mathematics
2 answers:
Stolb23 [73]3 years ago
6 0

Answer:

\frac{9}{4} - (x - \frac{3}{2} )²

Step-by-step explanation:

Given

3x - x² ← factor out - 1 from each term

= - (x² - 3x)

Using the method of completing the square

add/subtract ( half the coefficient of the x- term)² to x² - 3x

= - (x² + 2(- \frac{3}{2})x + \frac{9}{4} - \frac{9}{4} )

= - (x - \frac{3}{2} )² - 1(- \frac{9}{4} )

= \frac{9}{4} - (x - \frac{3}{2} )²

MaRussiya [10]3 years ago
3 0

Answer:

(i) 2x+3y=9.3

5

ˉ

⇒2x+3y−9.3

5

ˉ

Comparing the equation with ax+by+c=0

a=2,b=3,c=−9.3

5

ˉ

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