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You first calculate the delta of the equation: delta = b^2-4ac = 16 - 16 = 0 => the solution is double.x1,2 = (-b±sqrt(delta))/2/a = 4/2/4 = 1/2 which is real.so the solutions are 1/2 and 1/2....

Digestion is the process of breaking down the big molecules of food that we eat, into smaller molecules that the body can absorb and use. To help break down the food, we need enzymes, which the body produ...

The reason for this is due to the process of Meiosis involving an additional cell division step.Mitosis involves 1 cell, which replicates it's DNA resulting in there being 2 'full sets' of chromosomes con...

It is important to understand that any type of inflation is the rise of goods and services across the economy over a period of time. The reason why this occurs is that resources are finite- which means th...

(The full answer produced answer is annotated working out, but since this text box won't let me submit pictures, I'll do my best to transcribe)First, we gather the two fractions by using a common denomina...