Answer:
Sum of (x²+ 2x + 3) and (3x² + x + 1) is:
4x²+3x+4
Step-by-step explanation:
Find the sum of:
(x²+ 2x + 3) and (3x² + x + 1)
(x²+ 2x + 3) + (3x² + x + 1)
Combining the like terms, we get
= x²(1+3)+x(2+1)+(3+1)
=4x²+3x+4
Hence, sum of (x²+ 2x + 3) and (3x² + x + 1) is:
4x²+3x+4
