Question

the product of (4a - 3b)and 16a power2 + 12ab +9b power2

Answer 1

$(4a - 3b)(16 {a}^{2} + 12ab + 9 {b}^{2} ) \\ = (4a - 3b)( {(4a)}^{2} + 2 \times 4a \times 3b + {(3b)}^{2} ) \\ = (4a - 3b)(4a + 3b)$