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3 years ago

Which of the following is equivalent to 6x^2+8x-8

Mathematics

1 answer:

vredina [299]3 years ago

8 0

Answer:

( x - 2 ) & ( 3 x - 2 ) = 0 are the factors of the given equation.

Step-by-step explanation:

The given equation is 6 x² + 8 x - 8 = 0 ......................(i)

Divide by 2 in equation (i) both sides-

3 x² + 4 x - 4 = 0

3 x² + 6 x - 2 x - 4 = 0

3 x ( x + 2 ) - 2 ( x + 2 ) = 0

( x - 2 ) (3 x - 2 ) = 0

Hence ( x - 2 ) & ( 3 x - 2 ) = 0 are the factors of the given equation.

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Please help out and if you know help me show work ??

Ghella [55]

Answer: 14

Step-by-step explanation:

Consecutive even numbers would be {2, 4, 6, 8, 10, ...}

Let x represent the smallest number, then x + 2 is the middle number and x + 4 is the largest number.

1st number: x

2nd number: x + 2

3rd number: x + 4

1st number + 2nd number + 3rd number = Sum

(x) + (x + 2) + (x + 4) = 48

3x + 6 = 48

3x = 42

x = 14

1st number: x ⇒ x = 14

2nd number: x + 2 ⇒ 14 + 2 = 16

3rd number: x + 4 ⇒ 14 + 4 = 18

Check:

14 + 16 + 18 = 48 $\checkmark$

7 0

3 years ago

4=17-k What does k equal?

labwork [276]

Answer:

Step-by-step explanation:

17-4=13 therefore 17-13=4

5 0

3 years ago

Can you please answer

BabaBlast [244]

I believe it should be A.

7 0

3 years ago

11 to the 8th power divided by 11 to the 3rd power

borishaifa [10]

161051 is ur answer sir

4 0

3 years ago

Read 2 more answers

find the length of each isosceles right triangle when the hypotenuse is of the given measure given 8cm

Wewaii [24]

It is given that the triangle is isosceles right triangle . And in an isosceles right triangle the legs are equal . Let each leg be of x units. Now we use pythagorean identity, which is

$a^2 +b ^2=c^2$

$x^2 +x^2 = 8^2$

$2x^2 = 64$

$x^2 = 32$

$x = 4 \sqrt 2$

So the length of each leg is $4 \sqrt 2 .$

4 0

3 years ago