Question

Subtract x2 - 2xy + 4y2 from 2x2(2x square) + 4xy + 3y2

Please help me amswer in full ASAP​

Answer 1

Answer:

$7{x}^{2} + 6xy - {y}^{2}$

Step-by-step explanation:

$\: \: 8 {x}^{2} + 4xy + 3 {y}^{2}$

$- ( {x}^{2} - 2xy + 4 {y}^{2} )$

$= 7 {x}^{2} + 6xy - {y}^{2}$