Example

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

Question

$$(a+ { b }^{ )2= }$$

Answer

$$a=-2*b^$$

Solution


Remove parentheses.
\[a+{b}^{}\times 2=\]
Subtract \({b}^{}\times 2\) from both sides.
\[a=-{b}^{}\times 2\]
Regroup terms.
\[a=-2{b}^{}\]
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