klmc2468 klmc2468

28-04-2015
Mathematics

Answered

\(x^{2} +16x=-28\)

Verified Answer :

Panoyin Panoyin

28-04-2015

x² + 16x = -28
x² + 16x + 28 = 0
x = -(16) +/- √((16)² - 4(1)(28))
   2(1)
x = -16 +/- √(256 - 112)
   2
x = -16 +/- √(144)
2
x = -16 +/- 12
      2
x = -8 + 6
x = -8 + 6 x = -8 - 6
x = -2 x = -14

Answer Link

Related Questions

another name for the four main directions on a map

Which is the best estimate for the product of 3826301 1756 A 8000000 B 800000 C 80000 D 8000

how many rights do adults have

A cone has a radius of 1 foot and a height of 2 feet How many cones of liquid would it take to fill a cylinder with a diameter of 2 feet and a height of 2 feet

What is the difference between an ELDC and a EMDC

Suppose that Sahil knows that 45 people with ages of 18 to 29 voted Without using a calculator he quickly says then 135 people with ages of 30 to 49 voted Is he

Which compounds are classified as Arrhenius acids

The success of the Minoans was based on what

Both state and federal government have the power to

2h2o gt2h2 o2 how does the balanced chemical equation sho Law of conservation of Mass