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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
Factors & Multiples
Prime Factorization
Basic Equations & Inequalities
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Quadratic Equations
Polynomials & Factoring
Functions & Graphs
Systems of Equations
Trigonometry
Trigonometric Functions
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Graphing Trigonometric Functions
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$2x-4x+2x$$
Evaluate
$0$
Solution Steps
Combine $2x$ and $-4x$ to get $-2x$.
$$-2x+2x$$
Combine $-2x$ and $2x$ to get $0$.
$$0$$
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Factor
$0$
Solution Steps
Factor out $2$.
$$2\left(x-2x+x\right)$$
Consider $x-2x+x$. Factor out $x$.
$$0$$
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