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Xsquare+10x+21=Xsquare+4x+81

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Xsquare+10x+21=Xsquare+4x+81

Posted by Sanjay Prasanth 5 years, 3 months ago

CBSE > Class 08 > Mathematics

2 answers

Sri Bhava Pragalyaa 5 years, 3 months ago

X square + 10x +21 = X square + 4x + 81 Step 1 - > x square - x square + 10x - 4x = 81 - 21 [ By transposing I have bought x square and 4x left side ] Step 2 - > 6x = 60 [ x square - x square is 0 and 10x - 4x is 6x ] Step 3 -> x = 60/6 = 10 Therefore value of x = 10

1Thank You

Sudhanshu Kumar 5 years, 3 months ago

What is square root

5Thank You

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CBSE > Class 08 > Mathematics