Solve by factorization
x(x + 7) = (2x - 1) (x + 4)
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Answered by
3
Step-by-step explanation:
x(x + 7) = (2x - 1) (x + 4)
or, x² + 7x = 2x² + 8x - x - 4
or, x² + 7x = 2x² + 7x - 4.
or, x² - 4 = 0
or, x² = 4
or, x = √4
or, x = ±2
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Answered by
1
Step-by-step explanation:
the value of x is 2 and -2.
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