robertfreedman987 robertfreedman987

10-09-2020
Mathematics

contestada

If h(x)=-3x^2-6x, find x when h(x)=-72.

Respuesta :

samkr14 samkr14

10-09-2020

Answer:

x = 6, -4

Step-by-step explanation:

3x²-6x = -72
3x² - 6x +72 =0
3(x²-2x+24) =0
x²-2x+24=0
(x-6)(x+4)=0
x= 6, -4

Answer Link

Otras preguntas

Claire left her home at 11 a.m. travelling along route 1 at 30 miles per hour. At 1 pm,Her counsin Valerie left home and started after her on the same road at 4

compute the sum \[\frac{1}{\sqrt{100} \sqrt{102}} \frac{1}{\sqrt{102} \sqrt{104}} \frac{1}{\sqrt{104} \sqrt{106}} \cdots \frac{1}{\sqrt{9998} \sqrt{10000}}.\]

Name the following three structures.

| x² = 121; x = What's the answer

Write a call-to-action essay. Research a problem that affects your community. Explain your position on the issue, and provide your audience with actions they ca

Match the vocab word with the definition: Question 1 options: Order of Operations Operator Equation Constant Numerical Expression Exponent (Power) Evaluate Vari

treatment with xenon alone or combined treatment with hypothermia does not improve functional outcomes in infants with severe hie and extremely premature infant

At ancestry, even in a job as seemingly specialized as that of genealogist, the component parts of the job are quite varied. If ancestry asked you to advise the

Should America today “help” to “police” areas around the world (In the name of peace and freedom), or should we be more isolationist? Explain your answer. Use a

sodium sulfate + strontium nitrate