That can be factored to -((x + 5)(x - 3))
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3c(squared)-17c-6 = 0 (3c+1)(c-6) = 0 c= negative one third or positive 6
3x squared minus 25x minus 28
x = ? 42 = x squared minus x
The expression "negative 8 minus 7" can be simplified as -8 - 7. To subtract a positive number from a negative number, you can add the opposite. Therefore, -8 - 7 is the same as -8 + (-7), which equals -15.
What about it? Factorise it?