Question

Find the cubic polynomial whose zeroes are 3, 5 and -2.​

Answer 1

Answer:

x³-6x²+7x+30 =0

Step-by-step explanation:

(x-3)(x-5)(x+2) = 0

(x²-8x+15)( x+2) = 0

x³- 8x² +2x²-8x+15x+30 =0

x³-6x² +7x+30 =0