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First write down all the factor pairs of 12 (1,12) (-1,-12) (3,4) (-3,-4) (6,2) (-6,-2). From these factors, find a pair that, when added together, is equal to -7. In this case the correct pair would be -3 a...

So to begin we need factors of 12. 12 and 1, 3 and 4. Then we need to think of a way of adding or subtracting to give -1. So we can have 4 and -3. which gives (x+4)(x-3). So x= -4 or x=3

ADH (anti diuretic hormone) is a hormone that is released when the hypothalamus detects high blood osmolarity or when blood pressure is low. It is released from the posterior pituitary gland into the blood. ...

The immune system usually makes antibodies to destroy foreign pathogens that may harm the body. However, in autoimmune disease, the body produces antibodies that recognise the body's own cells or enzymes as ...

The process of deciding what was 'Scripture' took a long time. 'Scripture' is the Jewish and Christian name for writings that are considered to be holy and spoken by God. In the centuries before Christ, reli...