Mathematics High School

Solve 2x^2+8x-1=0 can someone type this "correctly" in photo math for me please?

Answers

Answer 1

Answer:

Step-by-step explanation:

Solve 2x^2+8x-1=0 Can Someone Type This "correctly" In Photo Math For Me Please?

Related Questions

8(4x+6) -58 = 2(7x+31) helpppppppppppppppp

Answers

Step-by-step explanation:

8(4x+6) -58 = 2(7x+31)

32x + 48 - 58 = 14x + 62

32x -10 = 14x +62

32x - 14x = 62+10

18 x = 72

x = 72 /18

x = 4

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5{ 10 [6 + 9 ( 57 - 48 ) + 12]}

Answers

Answer:

230

Step-by-step explanation:

The answer is 4959
Following pemdas you do everything in the parentheses first and work outwards into the other parentheses
57-48=9
9x9= 81
6+81+12= 99
10(99)=990
5(990)= 4950

ratios equivalent to 10:9.

Answers

Answer:20:18

Step-by-step explanation:

Answer:

111. Also, 5:3

Step-by-step explanation:

-3x + 12 = -36
solve for x

Answers

Answer:

x=16

Step-by-step explanation:

-3x+12=-36

-12 | -12

-3x=-48

/-3 | /-3

x=16 because the negatives cancel out eachother so it would be x=48/3 and 48/3=16

Evaluate (3n + 2) – 10 when n = 3.

First, evaluate within the parentheses. Then evaluate exponents. Next, multiply and divide from left to right. Then, add and subtract from left to right.

Evaluate the expression for the given value of the variable and use the drop-down menus to complete the statements.

Substitute the given value for the
.
Use the
to simplify.
First, complete the
inside the parentheses.
Next, complete the
inside the parentheses.
Last, complete the subtraction.
The value is
.

Answers

Answer:

Step-by-step explanation:

(3x3-2)-10=(9+2)-10=11-10=1

Answer:

The value is 1.

Step-by-step explanation:

(3n + 2) – 10

(3(3) + 2) – 10

9+2-10

11-10

answer correctly please and you will get brainliest

Answers

Answer:

2.25

Step-by-step explanation:

If you divide any of the bigger numbers on the bottom by the bigger numbers on top, you would get 2.25 no matter what.

PLEASE HELP!!!!! :(

Answers

Answer:

since you have so much answers already ill just say E

Step-by-step explanation:

Answer: There is no solution

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