2 years ago

What is the solution to 2x²+8x=x²-16? O x=-4 O x=-2 O x=2 Ox=4

Mathematics

1 answer:

expeople1 [14]2 years ago

8 0

2x²+8x=x²-16

2x²-x²+8x+16=0

x²+8x+16=0

D=b²-4ac

=8²-4×1×16

=64-64

x= -b+VD / 2a

=-8+V0 /2

= -8/2

=-4

You might be interested in

Math sucks at times and we all know that. So, instead of coming onto Brainly for every answer to your math, this website gives y

skelet666 [1.2K]

Answer:

thanks

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

20 = 4x+ 6 is equivalent to the equation 24 = 4x + 10

Kruka [31]

Answer:

Addition Property

Step-by-step explanation:

Added 4 on both sides to equate the solution

5 0

3 years ago

Read 2 more answers

There is a positive correlation between the number of times the Striped Ground Cricket chirps per second and the temperature in

Svetllana [295]

I think the answer is 85 im not sure

8 0

3 years ago

Read 2 more answers

What is the answer to the problem: Solve<br> (The square root of 2x-7) = 7?

quester [9]

The equation is
$\sqrt{2x-7}=7\\\text{Elevating to 2 the two sides of the equation we get:}\\2x-7=49\\\text{Therefore:}\\2x=49+7=56\\x=\frac{56}{2}=28\\\text{Solution : }x=28$

4 0

3 years ago

The base of a triangle is 6 meters longer than the height of the triangle. If the area of the triangle is 108 square meters, wha

Nonamiya [84]

Answer:

36 meters

Step-by-step explanation:

A=1/2b×h

108sq. m=1/2.6m×h

both side canceling meter

h=2×108m/6

h=36m. answer

4 0

3 years ago