Question

x^2 +4(x-1) > or equal to x^2+12

Answer 1

x^2+4x-1>or equal tox^2+12
then the two x squared will cancel eachother which brings
4x-1>or equal to 12
the minus one goes to the other side then is added with 12
4x>or equal to 13
finally we divide both sides by four to get
x>or equal to 13/4