Define Functions $F$ And $G$ From $\mathbf { R }$ To $\mathbf { R }$

Essay

Define functions $F$ and $G$ from $\mathbf { R }$ to $\mathbf { R }$ by the following formulas:
$$F ( x ) = ( x + 1 ) ( x - 3 ) \quad \text { and } \quad G ( x ) = ( x - 2 ) ^ { 2 } - 7 .$$
Does $F = G$ ? Explain.