concainit1234 concainit1234

22-08-2021
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(x+3)=(x[tex]x^{2}[/tex]-3x+9)

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prishagupta035 prishagupta035

22-08-2021

(x+3)=(x²-3x+9)

= (x+3)(x²-3x+9)

= x(x²-3x+9)+3(x²-3x+9)

= x³-3x²+9x+3x²-9x+27 her +and- get cancel or

like terms

= x³+27

x³= 27

x= ³√27

x= 3

please mark this answer as brainlist

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