Question

Plz answer the question correctly and the best answer will be brainliest

Answer 1

Step-by-step explanation:

ht-completely-27x-3-125y-3

1ST QUESTION ANSWER IS IN THIS LINK

2)

We know , x³+y³+z³-3xyz = (x+y+z)(x²+y²+z²-xy-yz-xz)

Note :- (a)³+(-2b)³+(1)³-3(a)(-2b)(1)

x=a,y=-2b,z=1

Factorization : (a-2b+1)(a²+4b²+1+2ab+2b-a)

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