Times 11 by 30 and 6 by x. You should get 6x=330. then divide 6 by 330 and you'll get 55. x=55<span />
Answer:
x = ± 1
Step-by-step explanation:
Given
3(x² - 4) + 7 = - 2 ( subtract 7 from both sides )
3(x² - 4) = - 9 ( divide both sides by 3 )
x² - 4 = - 3 ( add 4 to both sides )
x² = 1 ( take the square root of both sides )
x² = ±
= ± 1
Thus
x = - 1, x = 1
Answer:
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Step-by-step explanation:
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