How do you factor $a^{2} + 11 a b + 30 b^{2}$ $a^2 + 11 ab + 30b^2$ ?

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Answer 1 · 2015-05-28T16:09:30

Noting that $6 \times 5 = 30$ $6xx5 = 30$
and $6 + 5 = 11$ $6+5 = 11$

we can express the given expression $a^{2} + 11 a b + 30 b^{2}$ $a^2+11ab+30b^2$ as
$(a + 6 b) \cdot (a + 5 b)$ $(a+6b)*(a+5b)$

How do you factor a^2 + 11 ab + 30b^2 a2+11ab+30b2 a^2 + 11 ab + 30b^2 ?