Math, asked by paramsukhomet801, 1 year ago

Factorise x^6-26x^3–27.​

Answers

Answered by mhanifa
12

Answer:

x⁶-26x³–27= (x+1)(x²-x+1)(x-3)(x²+3x+9)

Step-by-step explanation:

Use of formulas:

  • a³-b³=(a²+ab+b²)
  • a³+b³=(a+b)(a²-ab+b²)

  • x⁶-26x³–27=
  • x⁶+x³-27x³-27=
  • x³(x³+1)-27(x³+1)=
  • (x³+1)(x³-27)=
  • (x+1)(x²-x+1)(x-3)(x²+3x+9)
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