Question

what must be added to 5x3-2x2+6x+7 to make the sum x3+3x2-x+1​

Answer 1

Step-by-step explanation:

Let x be the second number,

(5x³-2x²+6x+7) + x = x³+3x²-x+1

5x³-2x²+6x+7 + 2x = x³+3x²+1

4x³- 5x² + 8x + 6 = 0

Answer 2

Answer:

the answer is 4x3-5x2+7x+8.

Step-by-step explanation:

please mark as brain least.