AM-1207

Sum and difference of cubes

A Math · Secondary 4 · Easy · Sum and difference of cubes

1. $(7-x)\big((x-2)^2+5(x-2)+25\big)$
2. $(x-7)\big((x-2)^2+5(x-2)+25\big)$
3. $(5-x+2)\big((x-2)^2-5(x-2)+25\big)$
4. $(5+x-2)\big((x-2)^2+5(x-2)-25\big)$

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