The first three steps for solving the quadratic equation by completing the square are shown. Fill in the missing number in the l

Question

Elanso [62]

3 years ago

4

The first three steps for solving the quadratic equation by completing the square are shown. Fill in the missing number in the l

ast step.
9x2 +54x = 7

9(x2 + 6x) = 7

9(x2 + 6x + 9) = 7 + __________

Mathematics

1 answer:

slava [35] · Answer 1 · 2022-08-02T00:07:53+03:00

The first few steps in solving the quadratic equation 9x2 + 49x = 22 - 5x by completingthe square are shown. 9x2 + 49x = 22 - 5x9x2 + 54x = 22 9(x2 + 6x) = 22. Which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25. 9(x2 + 6x + 3) = 49 9(x2 + 6x +9) .