Question

5.
From the sum of x2 + x + 1 and x2 - x + 1, subtract - x - x + 1​

Answer 1

Answer:

$\huge \underline \bold \purple{✎ An} \underline \bold \pink{sw} \underline \bold \green{er} \red{★࿐}$

$( {x}^{2} + x + 1 + {x}^{2} - x + 1) - ( - x - x - 1) \\ \\ ⇒ \: 2 {x}^{2} + 2 - ( - 2x + 1) \\ \\ ⇒ \: 2 {x}^{2} + 2 + 2x - 1 \\ \\ ⇒ \: 2 {x}^{2} + 2x + 1$

$\huge \bold \purple{❥ \: } \underline \bold \pink{Hope \: it \: Helps \: u}$

Answer 2

Step-by-step explanation:

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$( {x}^{2} +x+1+ {x}^{2} −x+1)−(−x−x−1) \\ \\ ⇒2 {x}^{2} +2−(−2x+1) \\ \\ ⇒2 {x}^{2} +2+2x−1 \\ \\ ⇒2 {x}^{2} +2x+1</p><p></p><p>$