When multiplying two numbers together when negatives are involved, first multiply them together normally. In this case, 2x3=6
The next step is to find out if it's +6 or -6. You need to luck at the question again:
If we multiplied two positives, the answer is positive. If we multiplied two negatives, the answer is positive. Otherwise, the answer is negative.
In the question, we multiplied a positive by a negative, so the result will be negative. The answer, therefore, is -6
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-2x+3+1=-7 -2x=-11 x=11/2
2x + 5 = -3 2x = -8 x = -8/2 x = -4
negative 15
(2x - i)(2x + i)where i is the square root of negative 1.x = 0.5i, -0.5i
"minus negative x" means "plus x" (2x - 5)(x + 2) or (2x + 5)(x - 2) depending on what you really meant...