Question

OF M =qx2_ 4xy + 5y2
and n=3x2 + 2xy-y²
Find m+2n​

Answer 1

Answer:

Step-by-step explanation:

$M = qx^2- 4xy + 5y^2$

$n =3x^2 + 2xy -y^2$

m+2n​

$qx^2- 4xy + 5y^2+2(3x^2 + 2xy-y^2)$

$qx^2- 4xy + 5y^2+6x^2 + 4xy-2y^2$

$6x^2+3y^2+qx^2$

$6x^2+qx^2+3y^2$

$x^2(6+q)+3y^2$