Question

32 the whole square + 15 whole square +12 whole square -16 whole square

Answer 1

(32 *32)+(15*15)+(12*12)+(_16*16) whole square means multiply the member in two time this is first step

1024 +225+144+ 256 we have to do here in last sequence (+*_ in that bracket is multiply) second step

now we add all the numer this is third step 1649

ok this is the basic step if you understand pls say me sister if you have any doubt also say to me sister I try to clear your doubt