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3 years ago

— Бу + 9y How do I simplify

Mathematics

2 answers:

Ivahew [28]3 years ago

7 0

Answer:

i cant tell if thats a 6 or a 15 that lapped onto one another but ill answer both incase so if its a 6 the answer is 3y and if its a 15 the answer is -6y

Step-by-step explanation:

leva [86]3 years ago

3 0

Answer:

You combine like terms. So you would add -6y and 9y. You should get 3y.

Step-by-step explanation:

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Step-by-step explanation:

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Consider the equation: 2x^2-20x=x^2-19

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3 years ago

What method would be best to use 53=4(x-3)^2-11

Veronika [31]

Answer:

x = 7 , -1

Step-by-step explanation:

SOLUTION :-

$4(x-3)^2-11 = 53$

Add 11 to both the sides.

$=> 4(x-3)^2-11+11=53+11$

$=> 4(x-3)^2 = 64$

Divide both the sides by 4.

$=> \frac{4(x-3)^2}{4} = \frac{64}{4}$

$=> (x-3)^2 = 16$

Root square both the sides.

$=> \sqrt{(x-3)^2} = \sqrt{16}$

$=> x-3 = +4 \; or -4$

Here , x will have two values -

1) $x-3 = 4$

$=> x = 4 + 3 = 7$

2) $x - 3 = -4$

$=> x = -4 + 3 = -1$

VERIFICATION :-

When x = 7 ,

$4(x-3)^2 - 11 = 4(7 - 3)^2 - 11$

$= 4 \times 4^2 - 11$

$= 4 \times 16 - 11$

$= 64 - 11$

$= 53$

When x = -1 ,

$4(x-3)^2 - 11 = 4(-1 - 3)^2 - 11$

$= 4 \times (-4)^2 - 11$

$= 4 \times 16 - 11$

$= 64 - 11$

$= 53$

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3 years ago

QUESTION IN THE PHOTO! NO WRONG ANSWERS PLS

mylen [45]

Answer:

your answer should be 2

Step-by-step explanation:

hope it helps, have a wonderful day :)

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3 years ago