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Exercise

$\left(a+\sqrt{5}\right)\left(\sqrt{5}-a\right)$

Step-by-step Solution

1

The sum of two terms multiplied by their difference is equal to the square of the first term minus the square of the second term. In other words: $(a+b)(a-b)=a^2-b^2$.

$5-a^2$

Final answer to the exercise

$5-a^2$

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Similar Questions Solved

$\left(2x+5\right)\cdot\left(2x-5\right)$

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$\left(3x+4\right)\cdot\left(3x-4\right)$

$\left(2x+5y\right)\left(2x-5y\right)$

$\left(x+1\right)\left(x-1\right)$

$\left(1-8xy\right)\left(1+8xy\right)$

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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