lottielanders lottielanders
  • 22-09-2020
  • Mathematics
contestada

Express (x+7)^2(x+7)^2 as a trinomial in standard form.

Respuesta :

vanessaakaraiwe123
vanessaakaraiwe123 vanessaakaraiwe123
  • 22-09-2020

Answer:

[tex]x^{4}+28x^3+294x^2+1372x+2401[/tex]

Step-by-step explanation:

[tex](x+7)^{2} (x+7)^2 = (x+ 7)(x+7)(x+7)(x+7)\\(x^2+7x+7x+49)(x^2+7x+7x+49)=(x^2+14x+49)(x^2+14x+49)\\x^4+14x^3+49x^2+14x^3+196x^2+686x+49x^2+686x+2401\\x^4+28x^3+294x^2+1372x+2401[/tex]

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