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# Differences of squares

What will be the answer if $$(2986759948578869038956)^{2}-(2986759948578869038955)^{2}$$

3 years, 9 months ago

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$\begin{eqnarray*}2986759948578869038956^2-2986759948578869038955^2&=&2986759948578869038956+2986759948578869038955\\&=&5973519897157738077911\end{eqnarray*}$ by difference of squares. · 3 years, 9 months ago

jk · 1 year, 10 months ago

that's wrong u idiot then u multiply by (a-b) · 1 year, 10 months ago

Consider the first term $$x$$ and the 2nd term as $$x-1$$. Therefore,$$x^{2}-(x-1)^2=2x-1=$$$$2$$ x (the first term)$$-1$$ is the reqd. result. · 3 years, 9 months ago