Answer:
5(x-2)^2=20
5(x^2-4)=20
5x^2-20=20
5x^2-20-20=0
5x^2-40=0
5x^2+0x-40=0
Step-by-step explanation:
hope this is helpfull
23
x = 50 degrees!
8
don't ask how I got it I looked it up
Answer: 1.523884e+160
