Question

find the following by using identity 1 2x+5 square

Answer 1

Step-by-step explanation:

$12x + 5 ^2 = 12x + 25$

Answer 2

Answer:

Step-by-step explanation:

$(a+b^{2})= a^{2}+2ab+b^{2}\\\\(2x+5^{2} =2x^{2}+2*2x*5^{2}\\\\ =2x^{2}+20x+25\\ =4x^{2}+20x+25$