Question

x³ + 2x²- 5ax - 7 divided by x+1​

Answer 1

Answer:

• x+1
• x= -1
• x^3 +2x^2 -5x-7
• -1^3 + 2* -1^2 - 5 * -1 -7
• -1 + 2 + 5 - 7
• 1 + 5 -7
• 6 -7
• - 1