Step-by-step explanation:
x²+18x+80= 0
x²+10x+8x+80=0
x(x+10) +8(x+10)=0
(x+10)(x+8)=0
Answer:
[tex](x + 10)(x+8)\\[/tex]
Step 1: Factor
[tex]x^2+10x+8x+80[/tex]
Answer: [tex](x + 10)(x+8)\\[/tex]
