Examlex
Subtract the rational expressions. Be sure to express your answer in simplest form.
Helping Behavior
Actions intended to assist or benefit another individual or group without expecting a reward.
Ancestors
Predecessors from whom a person is descended, often considered in the context of family history or evolutionary biology.
Evolutionary Psychology
A theoretical approach in psychology that explains mental and psychological traits as adaptations, i.e., as the functional products of natural selection.
The Origin of Species
A seminal book by Charles Darwin that introduced the theory of evolution through natural selection.
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Q246: Solve the equation using factoring techniques.