Question

factories X3 + 7x2 - 21x - 27
plz answer properly !
if you give useless answer !
I will report your answer !
I will mark you as brainliest !
If you answer correctly!​​​

Answer 1

Answer:

x=3

Step-by-step explanation:

x3+7x2-21x-27

=x3-27+7x{x-3}

=(x-3)(x square +9-34)+7x{x-3}={+ 9 +x-3] ){x square +9-3x+7n]

=(x-3) {x square +4x }

then =(x=3)