Write the coefficient of x2 and x in the following polynomials x2-72x+8 - Mathematics

Write the coefficient of x² and x in the following polynomials

`x^2 - 7/2 x + 8`

Sum

Coefficient of x² is 1 and coefficient of x is `-7/2`

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Chapter 3: Algebra - Exercise 3.1 [Page 87]

Chapter 3 Algebra
Exercise 3.1 | Q 2. (v) | Page 87

Factorize (a - b + c)² + (b - c + a)² + 2(a - b + c) (b - c + a)

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3y + 4 = 5y − 6

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Match Column I with Column II in the following:

Column I	Column II
1. The difference of 3 and a number squared	(a) 4 – 2x
2. 5 less than twice a number squared	(b) n² – 3
3. Five minus twice the square of a number	(c) 2n² – 5
4. Four minus a number multiplied by 2	(d) 5 – 2n²
5. Seven times the sum of a number and 1	(e) 3 – n²
6. A number squared plus 6	(f) 2(n + 6)
7. 2 times the sum of a number and 6	(g) 7(n + 1)
8. Three less than the square of a number	(h) n² + 6

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