3 years ago

Solve this using square roots and show your work please 4x^2-256=0

Mathematics

1 answer:

mamaluj [8]3 years ago

5 0

Answer:

x = ± 8

Step-by-step explanation:

Given

4x² - 256 = 0 ( add 256 to both sides )

4x² = 256 ( divide both sides by 4 )

x² = 64 ( take the square root of both sides )

x = ± $\sqrt{64}$ = ± 8

Solutions are x = - 8, x = 8

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