Answer:
$1.58
Step-by-step explanation:
1000000000000000000000000000
Hello,
We have : (a + b)² = a² + 2ab + b²
4x² + 20x + 25 = (2x)² + 2 × 2x × 5 + 5² = (2x + 5)² → answer B
Here, we have a = 2x and b = 5 !
x=4
sorry if its wrong i did my best