It is x+2
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Here is a table for multiplication / division of positive/negative numbers. X/ + = + X/ - = - X/ + = - X/ - = + NB 'X/' means multiply or division. NNB If there is no sign in front of a number treat it as positive (+). e.g. 2 X 2 = 4 (Note ; no symbols, so it is treated as plus(+)) 2 X -2 = -4 -2 X 2 = -4 -2 x -2 = (+)4
-6
-2x2+32 -2(x2-16) -2(x+4)(x-4)
a negative times a positive is a negative so 2*-4=-8+10=2
x is negative 1x is negative 2