Question

Add the product of 9x⁴(x²-2),5x⁶(2x+3)and (x³-3x²) (4x²- 3x³)​

Answer 1

Answer:

Since 2 is a zero,

x=2

We can substitute x=2 since we know it is a zero.

And as a result, the whole polynomial would equal to 0

(2)^3–3(2)^2+4(2)+2k=0

8–12+8+2k=0

4+2k=0

2k=-4

k=-2