Using factorisation find the root 64x2-9=0
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10
Answer:
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Step-by-step explanation:
Here,
64x² - 9 = 0
(8x)² - 3 ² = 0
( 8x - 3) ( 8x + 3)= 0
Either,
8x - 3 = 0
8x = 3
x = 3/8
or,
8x + 3 = 0
8x = - 3
x = -3/8
Hence,
X = ± 3 answer
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