Question

factorise (3x+4y)^4-x^4​

Answer 1

Step-by-step explanation:

(3x−4y)2−x4

⇒[(3x−4y)2]2−(x2)2

⇒[(3x−4y)2−x2][(3x−4y)2+x2]

⇒[(3x−4y)+x][3x−4y−x][(3x−4y)2+x2]

⇒(4x−4y)(2x−4y)[(3x−4y)2+x2]

⇒8(x−y)(x−2y)[9x2+16y2−24xy+x2]

⇒16(x−y)(x−2y)[5x2+8y2−12xy]

Answer 2

Answer:

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Step-by-step explanation:

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