Answer :
Answer:
A: {-11, 3}
Step-by-step explanation:
[tex]x^2 + 8x = 33\\x^2+8x+16=33+16\\(x+4)^2=49\\x+4=\pm \sqrt{49} \\x=-4 \pm 7\\\\x_{1}=3 \\x_{2}=-11[/tex]
Answer:
A: {-11, 3}
Step-by-step explanation:
[tex]x^2 + 8x = 33\\x^2+8x+16=33+16\\(x+4)^2=49\\x+4=\pm \sqrt{49} \\x=-4 \pm 7\\\\x_{1}=3 \\x_{2}=-11[/tex]