व्यंजक (9x-2[3x+4(1-x)]) का सरल रूप क्या है?
What is the simplified form of (9x-2[3x+4(1-x)])?
Explanation opens after your attempt
A. (11x-8)
Concept
Inside, (3x+4-4x=4-x), so (9x-2(4-x)=11x-8). Simplify the expression inside square brackets first.
Why this answer is correct
The correct answer is A. (11x-8). Inside, (3x+4-4x=4-x), so (9x-2(4-x)=11x-8). Simplify the expression inside square brackets first.
Exam Tip
अंदर (3x+4-4x=4-x), इसलिए (9x-2(4-x)=11x-8)। पहले वर्ग कोष्ठक के अंदर का भाग सरल करें।
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