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
