Example

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

Question

$$2x^{2}+3+x^{2}-1$$

Answer

$$3*x^2+2$$

Solution


Collect like terms.
\[(2{x}^{2}+{x}^{2})+(3-1)\]
Simplify.
\[3{x}^{2}+2\]
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