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Elodia [21]
3 years ago
12

What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation?

Mathematics
2 answers:
Reika [66]3 years ago
7 0

Answer:

u=(x+5)

Step-by-step explanation:

tiny-mole [99]3 years ago
3 0

Answer:

A: u = (x + 5)

Edg 2020

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How to factor this expression <br><br>x^3 - 4x^2 + 4x - 16
Natalija [7]
X²(x - 4) +4 (x - 4)

(x² + 4) (x - 4)

First find the common terms that can enter into both x³ and 4x² then write its down in this case it’s x² that can enter x³ leaving only x _since x³/x² = subtract of the indices. x² will also enter 4x² leaving only four hence you having x² (x - 4)
then do the same for the next pair of terms giving you 4 that can enter into both 4 and 16
Leaving you with +4 (x - 4)

Now you can put the common terms together like so (x² + 4) and choose get one of the other two which are the same= (x - 4)
= (x² + 4) (x - 4)
8 0
2 years ago
Show how to simplify this problem using the distributive property. <br> 4(12 + 6)
Sunny_sXe [5.5K]

Hey there!

4(12 + 6)

4(12) + 4(6)

4(12) = 48

4(6) = 24

48 + 24 = ?

48 + 24 = 72

Answer: 72 ☑️

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

5 0
3 years ago
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What is the perimeter of a trapezoid having side lengths of 20 ft, 20 ft, 26 ft and 18 ft?
Irina18 [472]
The perimeter would be 84
8 0
3 years ago
Pls help me w thissssss
likoan [24]
<h2>22</h2>

In this problem, we need to use <u>multiplication</u> and <u>subtraction</u> method to solve it.

_________________________________

x(y) means to <u>multiply</u> x with y

_________________________________

Note that {a = 7} and {b = 6}

First, we need to multiply 4 with {a = 7}, we get:

4(7) = <em>28</em>

<em />

Then, we need to subtract {b = 6} from <em>28</em>, we get:

<em>28</em> – 6 = 22

Finally, this simplifies as:

4(7) – 6 = 22

<em>Hope this helps :)</em>

5 0
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Solve for x (round to the nearest degree)
aev [14]

Answer:

Step-by-step explanation:

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Sin x = 4/7

Sin x = 0.5714

X =sin-¹(0.5714)

X = 34.8

X = 35°

8 0
2 years ago
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