Question

4.5x4.5-2(4.5)(1.5)+1.5x1.5
4.5 x 4.5+2(4.5)(1.5) +1.5x1.5​

Answer 1

Answer:

a^2-2ab+b^2= (a+b)^2

4.5×4.5-2×4.5×1.5+1.5×1.5 =(4.5-1.5)^2

Second on is similar...