Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$2 { x }^{ 2 } +5x-7x$$

Answer

$$2*x^2-2*x$$

Solution


Collect like terms.
\[2{x}^{2}+(5x-7x)\]
Simplify.
\[2{x}^{2}-2x\]
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