Question

show the show that 5 is a zero of polynomial 2x ^ 3 - 7 x 2 - 16 X + 5​

Answer 1

Step-by-step explanation:

2(5)^3 - 7 (5)^2-16(5)+5=0

2(125) -7(25)-80+5

250-175-75

250-250= 0

therefore 5 is a zero of polynomial  

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Answer 2

Step-by-step explanation:

2(5)^3 - 7 (5)^2-16(5)+5=0

2(125) -7(25)-80+5

250-175-75

250-250= 0