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4 votes
Add the algebraic expressions x²+x-2 and 2x²-5x+7​

User ShNIL
by
7.8k points

2 Answers

1 vote

Answer:


3x^2-4x+5

Explanation:


x^2+x-2+2x^2-5x+7

Group like terms:


x^2+2x^2+x-5x-2+7

Add similar elements:


x^2+2x^2


=3x^(2)

Add similar elements:


x-5x


=-4x


3x^2-4x-2+7

Add the numbers:


-2+7


=3x^2-4x+5

~❃❃ OPEACEO❃❃~

User Janley Zhang
by
8.1k points
3 votes


\large \mathfrak{Solution : }


  • {x}^(2) + x - 2 + 2 {x}^(2) - 5x + 7


  • {x}^(2) + 2 {x}^(2) + x - 5x - 2 + 7


  • 3 {x}^(2) - 4x + 5

User Niekert
by
8.2k points

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