The roots of the quadratic equation (x-12)(2x+25)= 0 are
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Answer:
Brainly.in
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navharshkumar1oybrhe
navharshkumar1oybrhe
28.10.2017
Math
Secondary School
+5 pts
Answered
Urgent...
One of the roots of quadratic equation
2x2 + x – 300 = 0 is
(1) 16 (2) 18
(3) 15 (4) 12
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12
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nikitasingh79
nikitasingh79 Genius
Option 4 is correct (12)
Given:
2x²+ x - 300 = 0
2x² - 24x +25x -300= 0
2x(x-12) +25(x-12)= 0
(2x+25) (x-12)= 0
2x+25=0, x-12=0
2x+25=0
2x= -25
x= -25/2
x-12=0
x=12
Hence, One of the roots of quadratic equation is 12
Answer:
Brainly.in
What is your question?
1
navharshkumar1oybrhe
navharshkumar1oybrhe
28.10.2017
Math
Secondary School
+5 pts
Answered
Urgent...
One of the roots of quadratic equation
2x2 + x – 300 = 0 is
(1) 16 (2) 18
(3) 15 (4) 12
2
SEE ANSWERS
tSankar avatar
12
Log in to add comment
Answers
nikitasingh79
nikitasingh79 Genius
Option 4 is correct (12)
Given:
2x²+ x - 300 = 0
2x² - 24x +25x -300= 0
2x(x-12) +25(x-12)= 0
(2x+25) (x-12)= 0
2x+25=0, x-12=0
2x+25=0
2x= -25
x= -25/2
x-12=0
x=12
Hence, One of the roots of quadratic equation is 12