Answer:
Step-by-step explanation:
4ab(a-b)+b(2b-2a^2)
=4*1*-1[1-(-1)]+(-1){2(-1)-2*1^2}
=-4(1+1)-1{-2-2}
=-4*2-1(-4)
=-8+4
=-4
Draw a tape diagram and make 18 sections on the diagram. Shade in the first section and that’s 1/18
31cm is the side of the new square and this the largest area shape in square
