Answer:
[tex]f(x)=−3x2−12x−7[/tex]
Step-by-step explanation:
[tex]Expand the brackets:f(x)=−3(x2+4x+4)+5Multiply out the bracket:f(x)=−3x2−12x−12+5Collect like terms:f(x)=−3x2−12x−7, as required[/tex]
