Math, asked by cherylvitasa, 1 year ago

factorise: x (cube)-3x (square)-9x-5........ plz solve it....

Answers

Answered by Namo11
43
x^3-3x^2-9x-5
=x ^3+x^2 -4x^2-4x-5x-5
= x^2 (x+1)-4x (x+1)-5 (x+1)
=(x+1)(x^2-4x-5)

Namo11: plzz mark it as brainliest
Answered by Anonymous
62

x³-3x²-9x-5

=x³+x² -4x²-4x-5x-5

= x² (x+1)-4x (x+1)-5 (x+1)

=(x+1)(x²-4x-5)

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