9. Solve the equation:
x2 -(x+1)(x+2)/5x+1
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Answer:
x = -2/3
Read the brief explanation ...
Step-by-step explanation:
= x² - (x+1)(x+2) / 5x + 1
= x² - (x² + 2x + x + 2) / 5x + 1
= x² - x² - 3x - 2 / 5x + 1
= -(3x + 2)/5x +1
if it is equal to zero then ,
=> -3x-2 = 0×(5x+1)
=> -3x = 2
=> x = -2/3
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