Work Shown:
(5x^2-7x+4) + (3x^2+2x+1)
5x^2-7x+4 + 3x^2+2x+1
(5x^2+3x^2) + (-7x+2x) + (4+1) ... group like terms
8x^2 - 5x + 5 ... combine like terms
Answer:
8x^2-5x+5
Step-by-step explanation:
5x^2+3x^2= 8x^2
-7x+2x= -5x
4+1=5
