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Alisiya [41]
3 years ago
15

The simplest form of the expression -2x2(x – 5) + x(2x2 – 10x) + x is ____________ .

Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0

Answer:

x

Step-by-step explanation:

Given

- 2x²(x - 5) + x(2x² - 10x) + x ← distribute both parenthesis

= - 2x³ + 10x² + 2x³ - 10x² + x ← collect like terms

= x

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alekssr [168]
17x5/8 is 10.6 i believe
8 0
2 years ago
Seventeen is three times the difference between four times a number and five
expeople1 [14]

17 = 3(4x - 5)

<em><u>Distributive property.</u></em>

17 = 12x - 15

<em><u>Add 15 to both sides.</u></em>

32 = 12x

<em><u>Divide both sides by 12.</u></em>

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Let me know if you have any questions.

4 0
2 years ago
Please don’t just comment for points
masha68 [24]
1. no because 2x+10 is not equal to 2x+7
2. no. you cant add una like terms so 4x+4 doesn’t equal 8x
3. yes. the terms still retain their same value although they are not in the same order
4. yes. when u distribute the -3, you get -3x-6 which is of course equal to -3x-6
7 0
3 years ago
What are the solutions of the equation (2x + 3)^2 + 8(2x + 3) + 11 = 0? Use u substitution and the quadratic formula to solve.
iris [78.8K]
U=2x+3, x=u/2-3/2
u^2+8u+11=0
u1=(-8+sqrt(64-44))/2=-4+sqrt(5)
u2=-4-sqrt(5)
x1=u1/2-3/2=-7/2+sqrt(5)/2
x2=u2-3/2=-7/2-sqrt(5)/2

7 0
3 years ago
Read 2 more answers
I’m putting the right answer which is “6” but the computer keeps telling me I’m wrong, I don’t understand, what else is there to
iragen [17]

You may have have forgotten to find the measure of A. Which would by using your 6 that you got would be 19.  

16X-6=90

96=16X

X=6

8X6-29

48-29

19

3 0
3 years ago
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