gyasibrathwaitp74x2w
gyasibrathwaitp74x2w gyasibrathwaitp74x2w
  • 03-07-2018
  • Mathematics
contestada

what number should be added to the expression x^2 + 6x to change it into a perfect square trinomal

Respuesta :

XSadness
XSadness XSadness
  • 03-07-2018
Hello.

The correct is answer is 9.

You have to do half of 6 (3) and then square it that equals 9

So it should be  x^2 + 6x +9

Have a nice day
Answer Link

Otras preguntas

What are good book to read from war times about family / adoption / giving up of children
Factor completely, the expression: 2x^3-2x^2-12x
A box contains bags of crisps. Each bag of crisps weighs 25 grams. Altogether, the bags of crisps inside the box weigh 1 kilogram. How many bags of crisps are i
how do I solve this proportion?
If you multiply a number by five and then subtract negative ten, the difference is negative thirty. What is the number?
The diagram shows a patio in the shape of a rectangle. The patio is 3.6m long and 3m wide. Mathew is going to cover the patio with paving slabs. Each paving sla
what is the cubic root of - 250
A pack of 9 toilet rolls costs £4.23 A pack of 4 toilet rolls costs £1.96 Which pack gives the better value for money? You must show all your working.
What is the formula for the volume of a cuboid?
What is the formula for the volume of a cuboid?