Question

simplify:x^2+XY+y^2+6x^2-3xy+9x^2​

Answer 1

${x}^{2} + xy + {y}^{2} + 6 {x}^{2} - 3xy + 9 {x}^{2} = 16 {x}^{2} - 2xy + {y}^{2}$

hope it helps you

Answer 2

${x}^{2} + xy + {y}^{2} + 6 {x}^{2} - 3xy + 9 {x}^{2} = 16 {x}^{2} - 2xy = 2x(8x - y) hope it helps you$