Answer:
42(4 + r) is the answer if I'm reading that correctly.
what grade is thisso guf yfgjreufyxfdghshxngx locn?gjx hx
Step-by-step explanation:
(1+3x-1)×{1-(3x-1)}
=3x.(1-3x+1)
=3x.3x
=9x^2.
any idea about the length of the box
