Math, asked by subhlikatiyar, 10 months ago

8-27b^3-343c^3-126bc factorise​

Answers

Answered by vivekadithya55
2

Answer:

Step-by-step explanation:

8-27b3-343c3-126bc  

Final result :

 -27b3 - 126bc - 343c3 + 8

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 ((8 -  (27 • (b3))) -  73c3) -  126bc

Step  2  :

Equation at the end of step  2  :

 ((8 -  33b3) -  73c3) -  126bc

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  -27b3 - 126bc - 343c3 + 8  =  

 -1 • (27b3 + 126bc + 343c3 - 8)  

Checking for a perfect cube :

4.2    27b3 + 126bc + 343c3 - 8  is not a perfect cube

Final result :

 -27b3 - 126bc - 343c3 + 8

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