Answer: Distributivo
Step-by-step explanation:
2*3 = 6
2 * x = 2x
Therefore:
2(3+x) = 6 + 2x
Answer:
170cm²
Step-by-step explanation:
so the middle rectangle part first
15x10=150
then there's triangles so i'm gonna skip the divided by 2 part.
5x4=20
150+20=170
The greatest common factor would be 5u^2v^2. Hope this helps!
Answer:

Step-by-step explanation:
The exponent of -8 tells you the most significant digit (6) goes in the 8th position to the right of the decimal point.
With some spaces to help in counting decimal places, the number is written ...

Hello,
x²-13x-30=0
==>x²-15x+2x-30=0
==>x(x-15)+2(x-15)=0
==>(x-15)(x+2)=0
==>x=15 or x=-2