Math, asked by anushree87981, 4 months ago

8.Find the roots of quadratic equation: 2x2 + 5x + 2 =0

Answers

Answered by RvP10

0

Answer:

$2x^{2}+5x+2=0\\2x^{2}+4x+x+2=0\\2x(x+2)+1(x+2)=0\\(2x+1)(x+2)=0\\x+2=0 ||=> x=-2\\2x+1=0||=> x=-1/2\\$

Previous Question

Next Question

Similar questions

Math, 2 months ago

Solve the equation 5z-7/3z=2...

Social Sciences, 2 months ago

WHY DO WE STUDY HISTORY? GIVE THREE POINTS. answer:1. History tells us about the past 2. History is important as it helps to study the life and progress of early humans . 3. History makes us better decision makers.

Physics, 2 months ago

How does resistance of a wire is influenced by its length and area of cross section?

Chemistry, 4 months ago

आयनिक यौगिक एवं सह संयोजी यौगिक क्या है स्पष्ट कीजिए...

English, 4 months ago

Complete the sentence by using has or have in the blanks: 1.He..............written an essay. 2.They...........already informed him about the matter. 3.She............ sung a song. 4.You..........not done it according to plan. 5.Who.......... broken this glass? 6.The Ship..........sunk in the sea. 7.The judge..........given his judgement. 8.I............shaved off my beard. 9.They...........

Geography, 10 months ago

Resource planning is very essential for a country. Explain...

Chemistry, 10 months ago

If NaVa>NbVb the solution is. option a)basic b)acidic c)neutral d)both b and c...

Hindi, 10 months ago

2 स्वनाम के कितने भेद होते हैं? (A) पाँच (B) छः (C) चार मैं, तुम, हम, वह, आप, वे आदि किस सर्वनाम के अंतर्गत आते हैं ? (A) पुरुषवाचक सर्वनाम (B) निश्चयवाचक सर्वनाम प्रश्नवाचक सर्वनाम 4 पुरुषवाचक सर्वनाम के कितने भेद हैं ? I (A) तीन (B) चार (C) छः मैं स्कूल जाता हूँ। (वाक्य में सर्वनाम बताइए ।) (A) स्कूल (B) मैं (C) जाता हूँ...