Question

PLEASE SOLVE THIS ON PAPER PLZZZZ​

Answer 1

Step-by-step explanation:

8x*3+8y*3 _ 27 X*3_,27y*3

collecting like terms

8x*3_27x*3+8y*3_27y*3

-19x*3_19y*3

Answer 2

Answer:

(5y-x)(19x²+7y²-10xy).

Step-by-step explanation:

as we know:-

a³+b³ = (a+b) (a²+b²-ab)......formula 1

&

a³-b³ = (a-b) (a²+b²+ab)....... formula 2

we have:-

8(x+y)³ -27(x-y)³

= (2x+2y)³ - (3x-3y)³

by using formula 2 here we get-

=(2x+2y-3x+3y)× {(2x+2y)²+(3x-3y)²+(2x+2y)(3x-3y)}.

by solving this equation we get-

(5y-x)(19x²+7y²-10xy).

it's your answer.

hope it'll help you.