Math Problem Statement

Add each of the following expressions using column method: a. x^3 - x^2 + 7, -9x + 10x^2 b. 2x^2 - 4x - 3, 5x^2 - 6x^2 + 6x - 5 c. 9x^2 - 10x - 10, -15x - 12, -15x^2 d. 10x^2 - 15x - 12, 2a + b - 3c, 2a - b + 7c e. a + b - 3c, 2a - b - 6, 6a - 2b - 2 f. a - b - 4b g. 5a^2 - 5x, 6x - 2b, 6a - 2b - 4b

Solution

It

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Math Problem Analysis

Mathematical Concepts

Algebra
Polynomial Addition
Combining Like Terms

Formulas

(a + b) + (c + d) = (a + c) + (b + d)
Combining like terms

Theorems

Associative Property of Addition
Commutative Property of Addition

Suitable Grade Level

Grades 6-9