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

Need help on this problems!

Fofino [41]

For six you can write 1/4 because there is 4 pennies and 1 represents each penny

for number 5 you can put 2/10 because there is 10 coins and 2 quarters

and for number 7 is that Bradley has 10 coins not 9 so it would be 1/10

3 0

3 years ago

The line graph with gradient 2 and y-intercept(0,5)

Varvara68 [4.7K]

Answer:

The line graph is:

y=2x+5

4 0

2 years ago

Jessica buys a computer that originally cost $1,015 using a 20% off coupon. Sales tax in her city is 5%. How much will she pay f

Sedaia [141]

Answer:

852.6

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Harlan played her favorite game app three times this morning in each game the number of points she scored was a prime number whe

zavuch27 [327]

Can't help if I don't know what the question is

3 0

3 years ago

Correct description of (2x+5)^2

Tpy6a [65]

The correct answer is B

8 0

3 years ago