Hello! And thank you for your question!
First move all the terms to one side:
x^2−4x−9−29=0
Then simplify x^2−4x−9−29:
x^2−4x−38=0
Then use the quadratic formula:
x = 4 + 2√42 over 2 , 4 - 2√42 over 2
Finally simplify:
x = 2 + √42, 2 - √42
Final Answer:
x = 2 + √42, 2 - √42