Search over 10,000 free study notes

(x+3)(x-8) x*x= x^2 x*-8= -8x 3*x= 3x 3*-8= -24 =x^2 - 8x + 3x - 24 =x^2 - 5x - 24

Describing people Unlike english, Spanish has two verbs for "to be": ser and estar. As a general rule ser is used to describe or answer questions about who or what something is, while estar describ...

Let us first understand what is meant by the term "phenotypic variation". Simply, the phenotype of an organism is its observable characteristics - like how it looks, how it behaves, and so on. Diff...

When oxygen reaches the alveoli of the lunngs, it diffuses into the blood. The oxygen enters the red blood cells and combines with the haemoglobin to form oxyhaemoglobin. When the red blood cells reach the t...

Sometimes when faced with many historical sources at once that all discuss a similar topic, it can be hard to know where to start. By following a simple structure, you can be sure to achieve the best grades ...