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Answer:  (X+5)(X+2)=0   X=-5 or -2 We first look for to numbers that multiply together to make 10 (1 and 10, 2 and 5 are the only pairs)  We choose the pair which also adds together to the 2nd term, 7. We...

The breathing rate increases at the start of exercise then reaches a peak and plateaus during exercise. After exercise the breathing rate will gradually fall, but this may take several minutes.

Dur...

The easiest way to approach an essay is to follow the standard formula: “introduction + development + conclusion”. The number of paragraphs you should aim for will depend on the specific task. For example...

Before you start planning or even thinking about your answer, READ THE QUESTION a few times and RELAX. Highlight the key words in the question, which could be a theme, a character or a quote but also look...

The discriminant for a quadratic polynomial of the form f(x) = ax^2 + bx + c is given by b^2 - 4ac. If the discriminant is strictly greater than 2, the quadratic has 2 real distinct roots, i.e 2 unique x-...