## Related questions with answers

Question

$25s^4-9t^2$

Solution

VerifiedStep 1

1 of 2We are given:

$25s^4-9t^2$

This is a difference of two squares so we use the rule: $a^2-b^2= (a-b)(a+b)$. From the given, $a^2=25s^4$ so $a=5s^2$ and $b^2=9t^2$ so $b=3t$. Hence, we factor as:

$\color{#c34632}(5s^2-3t)( 5s^2+3t)$

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