Question

If P = 2x2 + 3x2 y + 3xy – 5y2 ; Q = - 5x2 – 4x2 y + 2xy + 3y2 and R = -3x2 - x2 y + 5xy – 2y2 Show that P + Q – R = 0

Answer 1

Answer:

p=4+6y+3xy-10y ;q=-10-8y+2y+6y ;r=-6-2xy+5xy-4y

p=4-4y+3xy; q=-10 r=-4y+3xy-6

p+q-r

4-4y+3xy-10+4y-3xy+6=0

Answer 2

Step-by-step explanation:

hope you explained thanks