Question

Help please I need help


`40x = 60x(x - 1) \\ \\ 7 * (7x)/(2) - 29x = - 9`
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Answer 1

`40x = 60(x - 1) \\ \\ 2x = 3x - 3 \\ \\ x = 3 \\ \\ \\ 7 * (7x)/(2) - 29x = - 9 \\ \\ 49x - 58x = - 18 \\ \\ - 9x = - 18 \\ \\ x = 2`

Answer 2

#1

• 40x = 60x(x - 1)
• 40x = 60x² - 60x
• 60x² - 100x = 0
• 3x² - 5x = 0
• x(3x - 5) = 0
• x = 0 or
• 3x = 5 ⇒ x = 5/3

#2

• 7×7x/2 - 29x = - 9
• 49x/2 - 29x = - 9
• 49x - 58x = - 18
• -9x = -18
• x = -18/-9
• x = 2