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Class 10MathematicsPolynomialsPolynomials in one variableHardLevel 47
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What is the coefficient of (x^2) in ((x-2)(3x^2+4x-5))?

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Answer and explanation

Correct answer: (-2)

((x-2)(3x^2+4x-5)=3x^3-2x^2-13x+10), so the coefficient of (x^2) is (-2). Combine like terms after expansion.

Related tags

MultiplicationCoefficientExpansion

Frequently asked questions

What is the correct answer to this question?

(-2)

Why is this the correct answer?

((x-2)(3x^2+4x-5)=3x^3-2x^2-13x+10), so the coefficient of (x^2) is (-2). Combine like terms after expansion.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.

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