Question

x+2y=11,2x-y=7 slove graphically

Answer 1

now we have to take the X + 2 y whole square is equals to 11 host by that mean a square + 2 b + b square formula we have to use in the first expression that we will get the answer in the second expression same as we have to do but lift little different is that a square minus b square is written to a square minus 2 b + b square and same format we have to apply the same answer