viaaaaaayjaydianas viaaaaaayjaydianas
  • 24-03-2017
  • Mathematics
contestada

When the sum of a number plus 3 is squared, it is 13 more than the sum of the number plus 2 when squared?

Respuesta :

Аноним Аноним
  • 24-03-2017
(x + 3)² = 13 + (x + 2)²
x² + 6x + 9 = 13 + x² + 4x + 4
2x + 5 = 13
x = 4
Answer Link

Otras preguntas

Need help for this question
Match these items with their correct definitions. 1 . gas most pure basic substances 2 . elements combined atoms are different 3 . IUPAC tiny par
After how many hours is the battery power at 75% if the battery decreases by 20% per hour
Alex is making a pizza,the round pizza pan had 16 in diameter,what is the area of the pizza crust needed to fill the pan.use 3.14
Everything on this paper is what I need to know
a banner is the shape of a rectangle it’s 14 feet long and 3 feet wide what is the perimeter
Are rovers only designed for mars?
What is the value of m in the expression 5(3m-2+4m) = 5m+62-6m
Why did Newt Gingrich make the Contract With America?A. As a promise to end the Cold WarB. As a promise for more social programsC. As a promise for fiscal refor
A government run by a church or religious group is a