What are the solutions to 2x^2 + 7x = 4

1 answer:

5 0

2x^2+7x-4=0
Δ=7^2-4*2*(-4)
Δ=49+32
Δ=81
x1=(-7+V81)/4=(-7+9)/4=2/4=1/2
x2=(-7-9)/4=-16/4=-4

the solutions: x1= 1/2 and x2= - 4

You might be interested in

VikaD [51]

Answer:

9x^4+5x^2-2x-13

Step-by-step explanation:

7 0

3 years ago

kramer

Answer: 30 times

2/3=.66...

20/.66=30.30

I hope this helps:

6 0

2 years ago

yKpoI14uk [10]

Answer:

36 because the absolute value of -9-3 is 12, and then 12 times 3 is 36

8 0

2 years ago

Arada [10]

-2(x+5) OR 2(-x-5) I hope that helps if not please let me know!

3 0

2 years ago

irga5000 [103]

Answer: The answer is 7.

5 0

2 years ago