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2 years ago

Expand And Simplify6y+4(3y+5)

Mathematics

2 answers:

fenix001 [56]2 years ago

4 0

Hi!

I can help you with joy!

6y+4(3y+5)
Use the Distributive Property first.
Remember, it states that
a(b+c)=ab+ac
Let's use it:
6y+4(3y+5)
6y+12y+20
Now, combine like terms:
18y+20

Answer:

18y+20

Hope it helps.

Do ask if you have any query.

Enjoy your day.

~Sparkles~

natta225 [31]2 years ago

3 0

Answer:

18y+20

Step-by-step explanation:

you need to keep the y's together and the regular numbers together

being in a (_) means it is multiplied by the outside if right next to it 2(2)=4

so 6y*3y= 18y

and 4*5=20

so the answer is 18y+20

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3 years ago

Q(a+1) - 2q(a) if q(x) = x²+3x+4

siniylev [52]

$q(x) = {x}^{2} + 3x + 4$

_________________________________

Step(1)

To find q(a) we just need to put a instead of x in q(x) function.

Let's do it...

$q(a) = {a}^{2} + 3a + 4$

Multiply sides by -2 :

$- 2q(a) = - 2( {a}^{2} + 3a + 4)$

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Step (2)

To find q(a+1) we just need to put a+1 instead of x in q(x) function.

Let's do it...

$q(a + 1) = ({a + 1})^{2} + 3(a + 1) + 4 \\$

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$q(a + 1) = {a}^{2} + 5a + 8$

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Step (3)

$q(a + 1) - 2q(a) =$

${a}^{2} + 5a + 8 - 2 {a}^{2} - 6a - 8 = \\$

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And we're done.

Thanks for watching buddy good luck.

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