whoUnknown whoUnknown

20-04-2018
Mathematics

contestada

which equation has the same solution 2x²+16x-10=0

a.(x+4)²= -3
b.(x+4)²= -11
C..(x+4)²= 13
d.(x+4)²= 21

Respuesta :

calculista calculista

20-04-2018

2x²+16x-10=0

is equivalent to: (divide by two)

x²+8x-5=0

The answer is d. (x+4)²= 21

Because,

(x+4)²= 21

x² + 8x +16 = 21

x² + 8x +16 -21= 0

x² + 8x - 5= 0

Answer Link

Otras preguntas

?the easiest way to increase intake of oleic acid is to consume more ____.

Help me out on this one pliz i need help

The sum of three numbers is 127. The second number is 4 times the third. The first number is 7 more than the third. What are the numbers?

A cathedral hull allows the boat to do what

How to make a electric guitar stay in tune?

What did william henry seward want to do?

A grain silo is shown below:grain silo formed by cylinder with radius 5 feet and height 175 feet and a half sphere on the topwhat is the volume of grain that co

5. Which one of the following vitamins helps prevent osteoporosis? A. Vitamin A B. Vitamin E C. Vitamin D D. Vitamin B

Please help me understand this. I'm totally lost, I've tried two different ways, both resulting as incorrect. If you could show me how to do this I'd appreciate

Which statement reflects the same attitude as that of aviator Charles Lindbergh about the Nazi persecution of Jews in the 1930s and 1940s? Persecution is unfort