quinn39 quinn39

07-08-2021
Mathematics

contestada

simplify [tex]x^{2} +10x+9[/tex]

Respuesta :

kamilmatematik100504 kamilmatematik100504

07-08-2021

Answer:

Step-by-step explanation:

[tex]\displaystyle \Large \boldsymbol{} x^2+10x+9=0 \\\\ x^2+\underbrace{x+9x}_{10x}+9=0 \\\\x^2+x+\underline9x+\underline9=0 \\\\x(x+1)+9(x+1)=(x+9)(x+1)[/tex]

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