x = 35 or -12
x = 310 or -1
x = 310 or 1
x = 15 or −32
x = -15 or 32
Correct answer is E
10x2 - 13x - 3 = 0 = 10x2 - 15x + 2x - 3 = 0
5x(2x - 3) + 2x - 3 = 0
= (5x + 1)(2x - 3) = 0
5x + 1 = 0 or 2x - 3 = 0
x = -15 or 32
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