Question
Simplify each expression. Each exercise contains a four-term polynomial that should be factored by grouping.$$\frac{a b+a c+b^{2}+b c}{b+c}$$
Step 1
We can group the terms as follows: $$ \frac{a b+a c+b^{2}+b c}{b+c} = \frac{(ab+ac)+(b^{2}+bc)}{b+c} $$ Show more…
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