jeremycsmith03122 jeremycsmith03122

21-11-2019
Mathematics

contestada

How do you solve
f(x)=-2(x+3)^2 =5

Respuesta :

Yang100 Yang100

27-11-2019

Answer:

x=(-6+/-sqrt(10)*i)/2

Step-by-step explanation:

-2(x+3)^2=5

-2(x+3)(x+3)=5

-2(x^2+3x+3x+9)=5

-2(x^2+6x+9)=5

-2x^2-12x-18=5

-2x^2-12x-18-5=0

-2x^2-12x-23=0

2x^2+12x+23=0

Apply the quadratic formula,

you get x=(-6+/-sqrt(10)*i)/2.

Answer Link

Otras preguntas

You'd better not drink that river water. It .................

An information of a 500GB is transferred at the speed of 10MB/s. Calculate the full time the information will be transfer.

MLA citation of an online journal article

Find the Missing term to complete the proportion ___ 1: 10: n = 5 : 4___2: n = 5 : 4___3: n : 4 = 9 : 6___4: 3 : 8 = 9 : n___5: n : 15 = 3 : 5Help please

If two events (both with probability greater than 0) are mutually exclusive, then:

This excerpt shows that Buck is

Rohan spent 20% of his pocket money on transport and ₹60 on his breakfast.If he spent 15% of the remaining money on his lunch and had ₹340 left, what was his po

Que tema culturales destaca la canción La Jelipita

Help please?!?!? I’ll mark blainlist (◕︵◕)

The teachers had to transport 165 students by bus on a field trip. Each bus holds 64 students. How many buses do they need to order?