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kogti [31]
3 years ago
7

X^2=14x-49. i just dont know how to do the steps to solve this equation

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0
x^2=14x-49 \\ \\ x^2 - 14x + 49 = 0 \ / \ move \ terms \\ \\ x^2 - 2(x)(7) + 7^2 = 0 \ / \ rewrite \\ \\ (x - 7)^2 = 0 \ / \ square \ of \ difference \ method \\ \\ x - 7 = 0 \ / \ square \ root \ each \ side \\ \\ x = 7 \ / \ add \ 7 \\ \\

The answer is: x = 7.
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nlexa [21]

Answer:

[(3*8)+2]+6-2

PEMDAS

There are parentheses so solve what is in them

3*8=24

[24+2]

26+6-2

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7 0
3 years ago
each transformation is performed on the line with the equation y=2x-1. write the equation of the new line. vertical translation
Phoenix [80]

Answer:

y2= 2x-4

y3=6x-1

y4= x-1

y5=2x

Step-by-step explanation:

for y=2x-1

1) for a vertical translation down of 3 units

y2= y-3 =(2x-1)-3= 2x-4

y2= 2x-4

2) for a slope increased by 4

y3= y+ 4x = 2x-1 +4x = 6x-1

y3=6x-1

3) for sloped divided in half. slope of y : m=2 → slope of y4=2/2 =1

y4= x-1

4) shifted up (vertical translation) of  1 unit

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6 0
3 years ago
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Step-by-step explanation:

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jeka94

Answer:

x=9

Let's solve your equation step-by-step

12(x−2)+3x=x+12+10x

<em>Step 1: Simplify both sides of the equation.</em>

12(x−2)+3x=x+12+10x

(12)(x)+(12)(−2)+3x=x+12+10x(Distribute)

12x+−24+3x=x+12+10x

(12x+3x)+(−24)=(x+10x)+(12)(Combine Like Terms)

15x+−24=11x+12

15x−24=11x+12

<em>Step 2: Subtract 11x from both sides.</em>

15x−24−11x=11x+12−11x

4x−24=12

<em>Step 3: Add 24 to both sides.</em>

4x−24+24=12+24

4x=36

<em>Step 4: Divide both sides by 4.</em>

4x/4=36/4

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Answer:

<u>x=9</u>

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