Question

Find zeroes of quadratic polynomial 4x2-256

Answer 1

Answer:

x= +8 or -8

Step-by-step explanation:

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Answer 2

Answer:

X = 8 , X = -8

Step-by-step explanation:

4x² - 256 = 0

(2x)² - (16)² = 0

(2x+16) (2x-16) = 0

(2x+16) = 0 , (2x+16) = 0

X = -16/2 , X = 16/2

X = -8 , X = 8

hope it helps

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