Answer :
Answer:
x⁴-8x³+10x²+24x-245=0
Step-by-step explanation:
(x-a )(x-b)= x²-(a+b)x+ab
(x²-4x-20) (x²-4x+14)-35
x⁴-8x³+10x²+24x-280-35=0
x⁴-8x³+10x²+24x-245=0
Answer:
x⁴-8x³+10x²+24x-245=0
Step-by-step explanation:
(x-a )(x-b)= x²-(a+b)x+ab
(x²-4x-20) (x²-4x+14)-35
x⁴-8x³+10x²+24x-280-35=0
x⁴-8x³+10x²+24x-245=0