Math, asked by rehanpika, 3 months ago

simplify 7x³(3x-9) and find values for x= -1 and x=6

Answers

Answered by dheepikamira

1

Answer:

DONEEEEEEEEEEEEEEEE

Step-by-step explanation:

7x3(3x−9)

=(7x3)(3x+−9)

=(7x3)(3x)+(7x3)(−9)

=21x4−63x3

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