To find 19+(11+37)Lennon added 19 and 11 Then he added 37 to the sum What property did he use?
1 answer:
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Step 1. Move all terms to one side.
Step 2. Simplify to 
Step 3. Factor out the common term 3
Step 4. Factor
1. <span>Ask: Which two numbers add up to -2 and multiply to -8?
2. </span><span> Answer: -4 and 2
3. </span>Rewrite the expression as
Step 5. solve for
1. Ask: When will
equal zero?
2. Answer: When
or 
<span>
3. </span><span>Solve each of the 2 equations above:
</span>
<span>
Done! :) </span> is your answer.
Step 2. Simplify
Step 3. Factor out the common term 3
Step 4. Factor
1. <span>Ask: Which two numbers add up to -2 and multiply to -8?
2. </span><span> Answer: -4 and 2
3. </span>Rewrite the expression as
Step 5. solve for
1. Ask: When will
2. Answer: When
3. </span><span>Solve each of the 2 equations above:
</span>
<span>
Done! :) </span>