Example

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

Question

$$2 { x }^{ 2 } -xy+6xy-3 { y }^{ 2 }$$

Answer

$$2*x^2+5*x*y-3*y^2$$

Solution


Collect like terms.
\[2{x}^{2}+(-xy+6xy)-3{y}^{2}\]
Simplify.
\[2{x}^{2}+5xy-3{y}^{2}\]
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