$2x^3-2x^2-12x=2x(x^2-x-6)=(*)\\\\------------------------------\\x^2-x-6\\\\a=1;\ b=-1;\ c=-6\\\\\Delta=(-1)^2-4\cdot1\cdot(-6)=1+24=25\\\\\sqrt\Delta=\sqrt{25}=5\\\\x_1=\frac{1-5}{2\cdot1}=\frac{-4}{2}=-2;\ x_2=\frac{1+5}{2\cdot1}=\frac{6}{2}=3\\\\x^2-x-6=(x+2)(x-3)\\\\------------------------------\\\\(*)=2x(x+2)(x-3)$

8 0

3 years ago

Which function is the inverse of f(x) = 2x + 3 ?

siniylev [52]

I think it might be f^-1 (x) = x/2 - 3/2
I hope this helps!

6 0

3 years ago

Cual es la amplitud de estos conjuntos de datos 12,16,48,64,36,48,12,32,y 48

nalin [4]

Answer:

Step-by-step explanation:

8 0

3 years ago

Can someone help me with 3,4,5 please?

anzhelika [568]

Answer:

the approximate range of change is 150 for 3

the approximate range of change is 1600 for 4

between 1970 and 1975

please give me brainlest

7 0

3 years ago