find the real root: X square +5 root5 X_70 =0
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Step-by-step explanation:
x² + 5√5x - 70 = 0
x² + 7√5x - 2√5x - 70 = 0
x ( x + 7√5) - 2√5 ( x + 7√5) = 0
( x + 7√5) ( x - 2√5 ) = 0
( x + 7√5) = 0,
( x - 2√5 ) = 0
x = -7√5, 2√5
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hope this will help you
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