Math, asked by navin843468, 11 months ago

X4 (3X-Y) +X3 (3X-Y)

Answers

Answered by sadmannaveed

2

Answer:

x4(3x-y)+ x3(3x-y)

= 12x^2- 4xy+ 9x^2-y

= 21x^2- 5xy

Step-by-step explanation:

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