Question

(2x+5)sq
find the following by using identity 1

Answer 1

Answer:

$4x^{2} + 25 + 20x$

Step-by-step explanation

$(2x+5)^{2}$

$Identity 1 = a^{2} +b ^{2} + 2ab$

$(2x)^{2} + (5)^{2} + 2(2x * 5)$

$4x^{2} + 25 + 20x$