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Colt1911 [192]
3 years ago
6

Rewrite (x + 3)^2 – 3(x + 3) - 10 as the product of two binomials​

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0

Answer:

Step-by-step explanation:

(x + 3)^2 – 3(x + 3) - 10 = (x + 3) (x + 3) – 3(x + 3) - 10

        = (x + 3) [ (x+ 3) - 3 ] -10

       =  (x + 3 ) [ x + 3 - 3 ]  - 10

        =  (x + 3) * x - 10 = x² + 3x -10

        =  x² -2x + 5x -10

        = x ( x - 2) + 5 (x- 2)

        = (x-2) (x+5)

Black_prince [1.1K]3 years ago
6 0

Answer:

(X+2) and (X-5)

Step-by-step explanation: (X+3)*x-3(X+3)-10

=(X*2+6X+9)-(3X+9)-10

=X*2+6X+9-3X-9-10

=X*2+3X-10

X=(-b+/-(b*2-4ac)*1/2)/2a

a=1, b=3, c=-10

=-3+/-((3)*x-4(1)9-10))*1/2/2(1)

=-3+/-(9+40)/2

=(-3+/-7)2

Therefore 1. (-3-7)/2, and 2. ((-3+7))/2

1. -10/2=-5, X=-5 therefore (X+5)

2. (4/2)=2, X=2 therefore (X-2)

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8 0
3 years ago
Add. (6x2 – 2x) + (5x – 7)
11Alexandr11 [23.1K]

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8 0
3 years ago
If n = 11 and p = 5 what is the value of the expression 18 - n - 2 + p
yan [13]

Answer:

10

Step-by-step explanation:

If n = 11 and p = 5, we can just substitute the values in for n and p in the equation 18 - n - 2 + p.


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3 0
2 years ago
Please help me :((!!!!
Alika [10]
This seems like a concept you’re going to learn and use so I’ll do a problem per section and explain.

Well basically this is a concept: if it’s a negative exponent it’s just 1/number^exponent.

So for example:
#1. 1/(10)^2 = 10^-2

The standard notation:
#9: You know that 1/(10)^3 you could either put it in a calculator or realize that you take the number 1, and move the decimal to the left three times. 0.001 would be the answer.

Scientific notation:
combines these topics. Let’s take #17. 0.025. Scientific notation means you write it as a number multiplied by 10^? So let’s see how many places you can move the decimal to get a number without the zeros.

0.025 => move it two places to the right. So that’s 2.5. Now 2.5 multiplied by what 10^? Would give you 0.025? It would be 10^-2. So your answer would be 2.5 x 10^-2.

For all of these, use your knowledge of the power of tens and dividing by tens! ^^ you got this. Let me know if you need help after this explanation.
7 0
3 years ago
The volume of a triangular prism with base dimensions of 4 cm height and 10 cm base and a prism height of 15 cm is??
jonny [76]
I think you can do this way:
Volume = B*h where B is the area of the base.
B= 4 * 10 = 40
V= 40 * 15
V= 600 cm^3
5 0
3 years ago
Read 2 more answers
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