समीकरण ((x+3)2=2x+15) का मानक रूप कौन-सा है?
What is the standard form of ((x+3)2=2x+15)?
Explanation opens after your attempt
Correct Answer
A. \(x^2+4x-6=0\)
Concept
Here ((x+3)2=x-2+6x+9), and bringing all terms to one side gives \(x^2+4x-6=0\). Use the square identity and transposition carefully.
Why this answer is correct
The correct answer is A. \(x^2+4x-6=0\). Here ((x+3)2=x-2+6x+9), and bringing all terms to one side gives \(x^2+4x-6=0\). Use the square identity and transposition carefully.
Exam Tip
((x+3)2=x-2+6x+9) है और सभी पद एक ओर लाने पर \(x^2+4x-6=0\) मिलता है। वर्ग सूत्र और स्थानांतरण दोनों सावधानी से करें।
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