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Complete the steps in solving the quadratic function 7x – 9 = 7x2 – 49x by completing the square. answer below: –9 = 7x2 – ⇒ 56 x –9 + ⇒ 112 = 7(x2 – 8x + ⇒ 16 ) 56, 112, 16 in that order
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42 votes
42 votes
Complete the steps in solving the quadratic function 7x – 9 = 7x2 – 49x by completing the square.

answer below:
–9 = 7x2 –
⇒ 56 x

–9 +
⇒ 112 = 7(x2 – 8x +
⇒ 16 )

56, 112, 16 in that order

User Nitesh Malviya
by
3.2k points

1 Answer

20 votes
20 votes

Answer:

it's actually 28+/-√721/7

Explanation:

User Volodymyr Baydalka
by
2.7k points
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