Question 383312
{{{ (a^2-b^2)/(a-b)}}}
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use the difference of squares formula.
{{{x^2-y^2=(x+y)(x-y)}}}
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{{{((a+b)(a-b))/(a-b)}}}
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{{{((a+b)(cross(a-b)))/(cross(a-b))}}}
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{{{(highlight(a+b))}}}
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