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Ket [755]
3 years ago
7

2a² - a - 13 =2 I want to see the steps how its done​

Mathematics
1 answer:
sammy [17]3 years ago
8 0

Answer:

Step-by-step explanation:

2a^-a-13=2

Subtract 2 from both sides :

2a^2-a-13=2=2-2

2a^2-a-15=0

Factor left side of the equation :

(2a+5) (a-3)=0

Set factors equal to 0 :

2a+5=0 or  a-3=0

a=-5/2   or a=3

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By looking at the calculation below, write down a multiplication fact using the same numbers.
IrinaVladis [17]

Answer:

98 x 3 = 294 or 3 x 98 = 294

Step-by-step explanation:

Since 294 divided by 3 is 98, that means 294 is 3 times 98. So, we can say:

3 x 98 = 294

We can also say that 98 x 3 = 294 since it doesn't matter in which order you multiply.

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If the 5 digit number 1732p is divisible by 9, then p =<br> O 3<br> O 5<br> O 7<br> O 4
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2 years ago
What is six times six take away for plus nine<br><br><br>​
vladimir2022 [97]

Hello, thanks for using Brainly!

We are solving 6x6-4+9.

We will do three steps in this case.

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So now we must keep in our head we have 30 as our first number.

Now, let's -4 from 30. 30-4 is 26.

We just did step 2. Boom!

So, we have 26 as our second number. Let's do our third step.

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