1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nitella [24]
2 years ago
11

Please solve this Solve by completing the square. 4x2+8x−3=0

Mathematics
1 answer:
Greeley [361]2 years ago
7 0

Step-by-step explanation:

4x2+8x−3=0

For this equation: a=4, b=8, c=-3

4x2+8x+−3=0

Step 1: Use quadratic formula with a=4, b=8, c=-3.

x=

−b±√b2−4ac

2a

x= −(8)±√(8)2−4(4)(−3)

2(4)

x= −8±√112

8  x=−1+

1 2 √7 or x=−1+

−1 2 √7

Answer:  x=−1+

1 2√7 or x=−1+

−1 2 √7

You might be interested in
The folds create four geometric kites. Also, the 16 right triangles adjacent to the corners of the paper are all congruent, as a
seraphim [82]
A= 280 b=280 c=120 d=120 i allredy did this it was so easy
7 0
3 years ago
I NEED HELP WITH (33) B,C,D
Anna35 [415]

Answer:

what are the answer choices?

7 0
3 years ago
Factorise the following :<br>​
timurjin [86]

Answer:

2.

x³+2x²+5x+10

x²(x+2)+5(x+2)

taking common

(x+2)(x²+5) is your answer

a³-a²b²-ab+b³

taking common

a²(a-b²)-b(a-b²)

taking common

(a-b²)(a²-b)

5 0
3 years ago
Read 2 more answers
A builder estimates that the
marshall27 [118]

Answer:

158,400

Step-by-step explanation:

I did the math hope this helps

3 0
3 years ago
The area in square feet, inside a rectangle is given by the expression 1600 x? What is the value
Juli2301 [7.4K]

Answer:1375

Step-by-step explanation:

X= 15 is given

X squared is 15x15 = 225

1600 - 225= 1375

6 0
2 years ago
Read 2 more answers
Other questions:
  • taron buys fencing for his square dog pen that measures 9 feet per side. How many inches of fencing does Tim buy altogether?
    12·2 answers
  • What is the mean of the prices below?
    15·2 answers
  • The last section is not correct the answer should be
    9·1 answer
  • The graph below represents the number of calories burned for every hour
    15·1 answer
  • This is due tomorrow help plz I'm begging it's #7
    7·2 answers
  • Mike biked 6 3/4 miles, and Noah biked 4 1/2 miles. How many times the length of Noah's bike ride was mike's bike ride? Please s
    5·1 answer
  • What can be said about a set of data with a standard deviation of​ 0? ​(This is a reading assessment question. Be certain of you
    8·1 answer
  • John is trying to convert an area from meters squared to millimeters squared. He multiplied the area he had by 1,000 and got the
    15·2 answers
  • Need help quickly!!!!!!!!!!!
    10·2 answers
  • What is the scale factor of the dilation applied to Δ DEF to produce Δ D'E'F'? (Hint: Does it get bigger or smaller?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!