Question

Find the value of the polynomial 2x-2x³ +7 using given values for x

■x=3

■x=-1

■x=0​



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Answer 1

when X= 3

2(3)-2(3)^3 +7 = 6-54+7= 55

when X= -1

2(-1)-2(-1)^3 + 7 = -2+2+7 = 7

when X= 0

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

Answer 2

Find the value of the polynomial 2x-2x³ +7 using given values for x

■x=3

■x=-1

■x=0

Answer:

x=3

Step-by-step explanation:

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