Question

collect the like terms and simplifying expressions.
find the sum of 2y²+3yz,-y²-yz -z², yz +2z²​

Answer 1

Explanation:

collect

them y2,yz and z2

Answer 2

Explanation:

$2y²+3yz,-y²-yz -z², yz +2z² \\ \\ {y}^{2} + 3yz + {z}^{2} \\ \\( y \: + \: z)^{2}$