Question

10 ab (ab + bc + ca) =_______ + 10 ab square c +________.​

Answer 1

$\mathsf{10ab(ab + bc + ca) = 10 {a}^{2} {b}^{2} + 10a {b}^{2} c + 10 {a}^{2}c }$

$\mathsf{}$

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