kayonnacross0785 kayonnacross0785

19-09-2022
Mathematics

contestada

A student solved a quadratic equation as shown here:
2x² + 5x = 12
x(2x + 5) = 12
x = 12or 2x+5 = 12
x= 120r 2x+5-5-12-5
x= 12or 2x=7
#= 120r ==
z = 7,12
Explain the errors in the process. Then correct the errors, and solve the equation.

Respuesta :

Otras preguntas

The United States _________ gives the government its power on behalf of the people.

how does " the invisible hand" of competition set a market price in market economies?

If a litre of water is provided for 5 people, how much for 7 people?

Is it justifiable to invade a country to prevent the spread of nuclear weapons or to prevent future conflicts?

how many grams in 1 and a quarter grams

Is the sentence a simple or a compound sentence? Suspension bridges may look dangerous, but most are actually quite safe. A. compound sentence B. simple sentenc

Which is greater 192 inches or 5yards and 1 foot

What is the vertex of the graph of the function y=-2x^2+16x-15

Which word correctly completes the sentence? My aunt keeps track of many family __________ birthdays. A. members B. member's C. members'

Members of which group easily lose an electron to form a +1 cation? A.halogens B.alkaline earth metals C.noble gases D.alkali metals