write the coefficient of x² in (x-2)3
Answers
Answered by
2
Answer:
The coefficient of x² is -6.
Step-by-step explanation:
The given expression is
(x-2)^3
Using the formula:
(a-b)^3=a^3-3a^2b+3ab^2-b^3
We get
(x-2)^3=x^3-3(x^2)(2)+3(x)(2^2)-(2^3)
(x-2)^3=x^3-6x^2+12x-8
Therefore, the coefficient of x² is -6.
MARK AS BRAINLIEST
Similar questions