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What is the difference of the polynomials?
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(12x^2–11y^2 - 13x)-(5x^2 – 14y^2 –9x )
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O 7x2 + 3y2 - 4x
O 7X2 - 3y2 - 4x
O 7x2 - 25y2-22x
O 17X2 - 25y2 - 22x


Sagot :

SalenaMdidn

Answer:

O 7x2 + 3y2 - 4x

.........

DᴀʀᴋPᴀʀᴀᴅᴏxidn

[tex]\qquad \qquad\huge \underline{\boxed{\sf ᴀɴsweʀ}}[/tex]

The Correct choice is ~ A

[tex]\qquad \sf  \dashrightarrow \: 7 {x}^{2} + 3 {y}^{2} - 4x[/tex]

[tex]\large \boxed{ \mathrm{Step\:\: By\:\:Step\:\:Explanation}}[/tex]

[tex]\sf  \dashrightarrow \:(12 {x}^{2} - 11y { }^{2} - 13x) - (5 {x}^{2} - 14y { }^{2} - 9x)[/tex]

[tex]\sf  \dashrightarrow \:12 {x}^{2} - 11y { }^{2} - 13x- 5 {x}^{2} + 14y { }^{2} + 9x[/tex]

[tex] \sf  \dashrightarrow \: 12 {x}^{2} - 5 {x}^{2} - 11y { }^{2} + 14 {y}^{2} - 13x + 9 [/tex]

[tex]\sf  \dashrightarrow \: 7 {x}^{2} + 3 {y}^{2} - 4x[/tex]

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