Question

125acube+64bcube factorise​

Answer 1

Answer:

$125 {a}^{3} + 64 {b}^{3} \\ \\ = {(5a)}^{3} + {(4b)}^{3} \\ \\ = (5a + 4b) ({5a}^{2} - 5a \times 4b + {4b}^{2} ) \\ \\ = (5a + 4b)(25 {a}^{2} - 20ab + 16 {b}^{2} )$

hope this much helps uh ❣️