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Addition and Subtraction of Algebraic Expressions

To what expre...

Question

Question 64

To what expression must $99 x^{3} - 33 x^{2} - 13 x - 41$ be added to make the sum zero?

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Solution

In order to find the solution, we will subtract $99 x^{3} - 33 x^{2} - 13 x - 41$ from 0.
Required expression is
$0 - (99 x^{3} - 33 x^{2} - 13 x - 41) = 0 - 99 x^{3} + 33 x^{2} + 13 x + 41 = - 99 x^{3} + 33 x^{2} + 13 x + 41$
So, if we add $- 99 x^{3} + 33 x^{2} + 13 x + 41$ to $99 x^{3} - 33 x^{2} - 13 x - 41$ , then the sum is zero.

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Addition and Subtraction of Algebraic Expressions

Standard VII Mathematics

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