Question

check whether (x-1) is a factor of 7x^3+2x^2-x+8​

Answer 1

Answer:

No , (x - 1) is not a factor of x^3 + 8x^2 - 7x -2

Step-by-step explanation:

x -1 = 0

=> x = 1

f(x) = x^3 + 8x^2 - 7x -2

=> f(1) = 1^3 + 8(1)^2 - 7(1) -2

=> f(1) = 0