Question

let P is equal to a square minus b + 2 Ab Q is equal to a square + 4 x square - 6xy is equal to b square + 6 is equal to a square minus 4 ab and t is equal to minus 2 X square + b square minus 80 + they find P + Q + r + S -t

Answer 1

5a^2+4b^2-7ab-a-b+6 is the value of p