Question

I just need help with this problem. Show work if possible. Thanks!

Answer 1

Answer:

${:}\longrightarrow$$\sf 2x^3+20x^2+2ax^2+20ax$

${:}\longrightarrow$$\sf 2x^2 (x+10)+2ax (x+10)$

${:}\longrightarrow$$\sf (x+10)2x^2+2ax$

${:}\longrightarrow$$\sf (x+10)2x (x+a)$

${:}\longrightarrow$$\sf 2x (x+a)(x+10)$