Answer:
6x²+20y²+7xy
Step-by-step explanation:
(x+1) (x+2) (x+10)
=(x+1)(x2+12x+20)
=(x+1) (x2+10x+2x+20)
=(x+1)[x(x+10)+2(x+10)]
=(x+1)(x+2)(x+10)
Step-by-step explanation
We need to have more infomation to finish this problem completely
I.4
ii.13
....ur welcome........
-(3x^2 + 16x + 5)
-(3x+1)(x+5)
-1(3x^2+15x+x+5)
-1(3x^2+16x+5)
-3x^2-16x-5
