Is known that
(a + b)² = a² + 2.a.b + b²
So:
(x + 4)² = x² + 2.x.4 + 4² = x² + 8x + 16
Answer:
goodbye??? what're you going to bed? you alr my dude?
Step-by-step explanation:
Answer:
50.41 minus 1.71 is 48.70 divided by 5 is 9.74
Answer:

Step-by-step explanation:
we know that


Let
x ------> new battery life
The equation that represent this situation is

convert to mixed number

Answer:
22
Step-by-step explanation:
5+12-2+7
17-2+7
15+7
22