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CBSE Class 8 Answered

Solve the following quadratic equation by Factorisation: 3√5x²+25x-5√5=5√5
Asked by sarthakvatsathegreat | 29 Apr, 2020, 03:00: PM
answered-by-expert Expert Answer
begin mathsize 16px style The space question space should space be space 3 square root of 5 straight x squared space minus space 25 straight x space plus space ` 10 square root of 5 equals space 0 rightwards double arrow 3 square root of 5 straight x squared space minus space 15 straight x space minus space 10 straight x space plus space 10 square root of 5 equals space 0 rightwards double arrow 3 square root of 5 straight x open parentheses straight x space minus space square root of 5 close parentheses space minus space 10 open parentheses straight x space minus space square root of 5 close parentheses space equals 0 rightwards double arrow open parentheses straight x space minus space square root of 5 close parentheses space open parentheses 3 square root of 5 straight x space minus space 10 close parentheses space equals space 0 rightwards double arrow straight x space equals space square root of 5 space or space straight x space equals fraction numerator 10 over denominator 3 square root of 5 end fraction equals fraction numerator 5 square root of 5 over denominator 3 end fraction end style
Answered by Yasmeen Khan | 29 Apr, 2020, 05:27: PM

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CBSE 8 - Maths
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