FatimahFilkins628 FatimahFilkins628
  • 22-07-2014
  • Mathematics
contestada

When the sum of a number plus 3 is squared, it is 9 more than the sum of the number plus 2 when squared.

Respuesta :

konrad509
konrad509 konrad509
  • 22-07-2014
[tex](x+3)^2=(x+2)^2+9\\ x^2+6x+9=x^2+4x+4+9\\ 2x=4\\ x=2[/tex]
Answer Link

Otras preguntas

0.4/0.01=40 how does the quotient relate to divide
What's 2/3 times 5/6 times14
explain why each mineral has its own properties, different from every other mineral.
The ionization energy of an element is a. a measure of its mass b. the energy required to remove an electron from the element in its gaseous state c. the ene
What are some examples are timid
between which two consecutive integers does 173 lie? Answer: A. 10 and 11
The price of a cycle is reduced by 25 per cent. The new price is reduced by a further 20 per cent. The two reductions together are equal to a single reduction o
Two friends share 1/4 gallon of lemonade equally.What fraction of the gallon of lemonade does each friend get?
How did Roosevelt's policies help the conservation of natural resources?
Why did William Pitt The Younger introduce the Reign of Terror?