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What is the sum of ((4x^2-3x+6)+(-x^2+7x-9))?
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Answer and explanation
Correct answer: (,3x^2+4x-3,)
Adding like terms gives (4x^2-x^2=3x^2), (-3x+7x=4x), and (6-9=-3). In exams, add like terms separately.
Frequently asked questions
What is the correct answer to this question?
(,3x^2+4x-3,)
Why is this the correct answer?
Adding like terms gives (4x^2-x^2=3x^2), (-3x+7x=4x), and (6-9=-3). In exams, add like terms separately.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Operations on real numbers and the laws of exponents.
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