Joshuatagabuhiviz
Answered

sum and difference of two cubes

343v³ + 27w

Sagot :

Cheahjimmyviz
343v³+27w =  7³v³+3³w
                   = (7v+3∛w)(7²v²-7v3∛w+9∛w²)
                   = (7v+3∛w)(49v²-21v∛w+9∛w²)

343v³-27w = 7³v³-3³w
                 =   ( 7v-3∛w)(7²v²+7v3∛w+9∛w²)
                 =  (7v-3∛w)(49v²+21v∛w+9∛w²)