Can someone check this?
2x^2 + 50 = −20x
2x^2 + 20x + 50 = 0
2(x^2 + 10x + 25)...
Mathematics, 17.10.2019 14:10 maritzamartinnez
Can someone check this?
2x^2 + 50 = −20x
2x^2 + 20x + 50 = 0
2(x^2 + 10x + 25) = 0
2(x + 5)(x + 5) = 0
(x + 5)(x + 5) = 0
x + 5 = 0 or x + 5 = 0
x = − 5, x = − 5
the solution set is
{−5}.
Answers: 2
Mathematics, 21.06.2019 13:00
"how does lena finally defeat the robots? ” this question will best be used to describe the story’s exposition. rising action. climax. falling action.
Answers: 3
Mathematics, 21.06.2019 13:00
In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?
Answers: 3
Mathematics, 21.06.2019 17:30
Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?
Answers: 3
Mathematics, 21.06.2019 19:00
Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers
Answers: 1
Social Studies, 21.08.2019 15:30
History, 21.08.2019 15:30
Social Studies, 21.08.2019 15:30
Mathematics, 21.08.2019 15:30
Business, 21.08.2019 15:30
Mathematics, 21.08.2019 15:30
Chemistry, 21.08.2019 15:30
Mathematics, 21.08.2019 15:30
English, 21.08.2019 15:30
Biology, 21.08.2019 15:30