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Exercise

$f\left(x\right)=\left(2-x\right)^2$

Step-by-step Solution

1

A binomial squared (difference) is equal to the square of the first term, minus the double product of the first by the second, plus the square of the second term. In other words: $(a-b)^2=a^2-2ab+b^2$

$f\left(x\right)=4-4x+x^2$

Final answer to the exercise

$f\left(x\right)=4-4x+x^2$

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Main Topic: Special Products

Special products is the multiplication of algebraic expressions that follow certain rules and patterns, so you can predict the result without necessarily doing the multiplication.

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