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
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