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(7x-3)(2x+5) 14x2 + 29x - 15, write 29x = 35x - 6x = 14x2 - 6x + 35x - 15 = (14x2 - 6x) + (35x - 15) = 2x(7x - 3) + 5(7x - 3) = (7x-3)(2x+5)
Given 6x + (7x-8) = -5 6x + 7x - 8 = -5 ==> 13x = 3 therefore, x = 3/13
(7x - 1)(6x + 5)
Example: 7x + 10 - {2(x + 3) - 3(x - 2) + 5} = 7x + 10 - {2x + 6 - 3x + 6 + 5} = 7x + 10 - {2x - 3x + 6 + 6 + 5} = 7x + 10 - {x + 17} = 7x + 10 - x - 17 = 7x - x + 10 - 17 = 6x - 7
6x - 12 + 4x + 5 = 06x + 4x = 12 - 510x = 7x = 7/10