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Marina86 [1]
2 years ago
10

Express 5x²-15x+1 in the form p(x+q)²+r, where p,q,r ate constants

Mathematics
1 answer:
AysviL [449]2 years ago
7 0

Answer:

5\bigg(x-\frac{3}{2}\bigg)^2-\frac{41}{4}

Step-by-step explanation:

  • 5x^2-15x +1

  • = 5\bigg(x^2-3x +\frac{1}{5}\bigg)

  • =5\bigg[x^2-2.\frac{3}{2}x +\bigg(\frac{3}{2}\bigg)^2-\bigg(\frac{3}{2}\bigg)^2+\frac{1}{5}\bigg]

  • =5\bigg[\bigg(x-\frac{3}{2}\bigg)^2+\frac{1}{5}-\frac{9}{4}\bigg]

  • =5\bigg[\bigg(x-\frac{3}{2}\bigg)^2+\frac{4-45}{20}\bigg]

  • =5\bigg(x-\frac{3}{2}\bigg)^2-5.\frac{41}{20}

  • =5\bigg(x-\frac{3}{2}\bigg)^2-5.\frac{41}{20}

  • =5\bigg(x-\frac{3}{2}\bigg)^2-\frac{41}{4}
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