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Karo-lina-s [1.5K]
2 years ago
6

Can someone help me x^2 + 3 - 6(3x + 4) i will give brainliest

Mathematics
1 answer:
dangina [55]2 years ago
8 0

Answer:

{x}^{2}  - 18x - 21

Step-by-step explanation:

{x}^{2}  + 3 - 6(3x + 4)

{x}^{2}  + 3 - 18x - 24

{x}^{2}  - 21 - 18x

\boxed{\green{=  {x}^{2}  - 18x - 21}}

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Is this the correct ?<br> i’ll mark brainliest
bogdanovich [222]

Answer:

No, because you forgot to switch the sign when dividing by a negative number. Its the 2nd one

Step-by-step explanation:

7 0
3 years ago
Whoever answers this question correctly will get the brainliest. what is 5x+9 if x=12
nataly862011 [7]
5 times 12 =60
so 60+9
the answer is 69
hope it helped
4 0
3 years ago
Read 2 more answers
1 litre is approximately 1.75 pints, 1 gallon = 8 pints, calculate the approcimate number of gallons that are equal to 48000cm3
Umnica [9.8K]

Answer:

10.5\ gal

Step-by-step explanation:

we know that

1,000\ cm^{3} =1\ l

1\ l=1.75\ pints

1\ gal=8\ pints

we have

48,000\ cm^{3}

step 1

Convert to liters

48,000\ cm^{3}=48,000/1,000=48\ l

step 2

Convert to pints

48\ l=48*1.75=84\ pints

step 3

Convert to gallons

84\ pints=84/8=10.5\ gal

7 0
3 years ago
A cuboid, with dimensions 28cm by 16cm by 15cm, has a volume of 6720cm cube. The cuboid is melted to form smaller cubes of lengt
Dovator [93]

Answer:

Vol of the cube =Vol of cubiod

Vol of each smaller cube =s×s×s= 4×4×4=64

Vol of cuboid /Vol of each smaller cube = no of cubes that can be obtained

6720/64= 105

Hence 105 cubes can be obtained

3 0
3 years ago
Evaluate∣2x+7∣ for x=-4
yanalaym [24]

∣2x+7∣ for x=-4

Use the substitution method

∣2*-4+7∣

Mutiply first then add +7

∣2*-4∣= -8

∣-8+7∣= -1

Whenever there is a negative number for absolute value , the number becomes a + positive number.

∣-1∣= 1

Answer:

1

5 0
2 years ago
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