Question

factorise please help

Answer 1

$\huge\boxed{\texttt{\fcolorbox{Red}{aqua}{Hey Mate!!!}}}$

$(10) {}^{2} - (a - 4) {}^{2} \\ = (10 + (a - 4))(10 - (a - 4)) \\ = (10 + a - 4)(10 - a + 4) \\ = (6 + a)(14 - a)$
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