3 years ago

How do you factor this?

Mathematics

1 answer:

lubasha [3.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

What two numbers multiply to equal -48, but add to equal -2? The method is multiplying a*c and seeing if they add up to b. Those two numbers are -8 and +6.

$6x^2-2x-8=6x^2-8x+6x-8$

Now, factor by grouping

$(6x^2-8x)+(6x-8)=2x(3x-4)+2(3x-4)\\(2x+2)(3x-4)$

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THe product of three numbers is 3150. Two of the number are 14 and 15. Find the third number

Sholpan [36]

Answer:

Step-by-step explanation:

Let's call the mystery number x.

$14\cdot 15\cdot x=3150 \\\\210x=3150 \\\\x=3150/210=15$

Hope this helps!

4 0

4 years ago

Read 2 more answers

2x+2y= 24 <br> x=3y <br> What is the value of x+y?

natita [175]

Answer:

x = 9

y = 3

Step-by-step explanation:

2x + 2y = 24 is the same as x + y = 12

using substitution, x = 12-y

12 - y = 3y

12 = 4y

y = 3

x = 3(3)

x = 9

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3 years ago

School a has 450 seniors, and 432 of them go to college. School B has 380 seniors, and 361 of them plan to go to college. In whi

Natasha_Volkova [10]

Answer:

School A.

Step-by-step explanation:

School A: % who plan to go to college = (432/450) * 100

= 96%.

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= 95%.

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4 years ago

2/3(x-7)= -2 solve for y

Ksju [112]

Maybe you meant solve for x?
If so, the answer is 4

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3 years ago

Use the following expression to answer the questions: g(to the second power) -4g+6. How many terms are in this expression? What

zmey [24]

G^2-4g+6
# Terms: 3, (g^2), (-4g), (6)
Variable: g
Constant: 6

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3 years ago

How do you factor this?​

How do you factor this?