is there anyone to help meeeèeehh
Attachments:
Answers
Answered by
0
Step-by-step explanation:
(x+3)(x+7)
x^2+(3+7)x+3×7
=x^2+10x+21
(4x+5)(4x+1)
(4x)^2+(5+1)x+5×1
16x+6x+5
Similar questions