Question

(x² +x+1) - (x²-x-1)
help.pls urgent with step by step explanation in ur note book plsss​

Answer 1

Step-by-step explanation:

See the Image for Step By Step Explanation

Answer 2

Answer:

2X+2

Step-by-step explanation:

${x}^{2} + x + 1 - ( {x}^{2} - x - 1) \\interchanging \: the \: sign \: of \: expression \\ {x}^{2} + x + 1 - {x}^{2} + x + 1 \: \\collecting \: the \: like \: term \\ \\ ( {x}^{2} - {x}^{2}) + (x + x) + (1 + 1) \\ 2x + 2$