Answer:
5x²+12x+4
Step-by-step explanation:
5x²+10x+2x+4
[tex]5x^{2}+12x+4[/tex]
Use the FOIL method to expand.
5x*x+
2*x+
5x*2+
2*2
which is
5x^2+2x+10x+2
combining the two x s we get
5x^2+12x+4
