wilsonjevon10489
wilsonjevon10489 wilsonjevon10489
  • 13-08-2021
  • Mathematics
contestada

Select the correct answer.
Solve the quadratic equation given below.

Select the correct answer Solve the quadratic equation given below class=

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OluwaPresh
OluwaPresh OluwaPresh
  • 13-08-2021

Answer:

x = –2/3 or –20/9

Step-by-step explanation:

(9x+13)² = 49

Finding the square root of both sides

9x+13 = √49

9x+13 = ±7

Subtracting 13 from both sides

9x = 7 – 13 or 9x = -7 –13

9x = –6 or 9x = –20

Divide both sides by 9

x = –6/9 or x = –20/9

Simplifying

x = – 2/3 or x = –20/9

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