व्यंजक (3x(4x-5)-2x(5x+1)) का सरल रूप क्या है?
What is the simplified form of (3x(4x-5)-2x(5x+1))?
Explanation opens after your attempt
B. \(2x^2-17x\)
Concept
Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.
Why this answer is correct
The correct answer is B. \(2x^2-17x\). Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.
Exam Tip
खोलने पर \(12x^2-15x-10x^2-2x=2x^2-17x\) मिलता है। हर गुणन को अलग से करें।
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