Question

find the value of x in x^3+7x^2+7x-15=0​

Answer 1

Answer:

x = 1

Step-by-step explanation:

x³ + 7x² + 7x -15 = 0

x³ + 7x² + 7x = 15

by putting x= 1

1³ + 7(1)²+7(1) = 15

1+7+7 = 15

15 = 15

LHS = RHS

HOPE IT HELPED YOU......