Question

simplify {6x^2-(2x^2-y^2)-2y^2}​

Answer 1

Answer:

Step-by-step explanation:

{6x²-(2x²-y²)-2y²}

{6x²-2x²+y²-2y²}

4x²-y²

Answer 2

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Distribute

${6x}^{2} - 1 ({2x}^{2} - {1y}^{2}) - {2y}^{2}$

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

Combine like terms

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

$4 {x}^{2} + {y}^{2} - 2 {y}^{2}$

Combine like terms again

${4x}^{2} + {y}^{2} - 2 {y}^{2}$

${4x}^{2} - 1 {y}^{2}$

hope this will help you...

-3idiots29