Question

(m+2n)(m-2n)
solve using identity ​

Answer 1

Answer:

m²-4n²

Step-by-step explanation:

it carries the rules of a²-b²

which value is (a+b) (a-b)

Answer 2

$\bold {(m + 2)(m - 2n)} \\ \bold{ = (a + b)(a - b) = {a}^{2} { - b}^{2} } \\ \bold{{ = m}^{2} - ( - 2n) {}^{2}} \\ \bold{ = m {}^{2} - 4n {}^{2}}$