Question
Find the value of using the column method:
$(35)^2$
$(35)^2$
| $a ^2$ |
$2ab$
|
$b^2$ |
| $(30)^2=900$ |
$2 × 30 × 5 = 300$
|
$(5)^2=25$ |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| x | 2.5 | 4 | 7.5 | 10 | 14 |
| y | 10 | 16 | 30 | 40 | 42 |