Question

what is the
$343 {y}^{3} - 1000$
please help me I will beg you all ​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(7y)^3- (10)^3

let 7y = a

10 = b

using property:-

a^3- b^3 = (a-b) (a^2 + ab + b^2)

By putting values:-

(7y)^3- (10)^3 = ( 7y- 10) ( 7y^2 +(7y)(10)+10^2)

7y)^3- (10)^3 = (7y- 10) ( 49y^2+70y+100)