SOLUTION: Solve. (7p+6q)to the 2nd power
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Question 112669
:
Solve.
(7p+6q)to the 2nd power
Answer by
jim_thompson5910(35256)
(
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Start with the given expression
Expand
Remember, when you FOIL an expression, you follow this procedure:
Multiply the First terms:
Multiply the Outer terms:
Multiply the Inner terms:
Multiply the Last terms:
Now collect every term to make a single expression
Now combine like terms
---------------------
Answer:
So
foils and simplifies to
In other words,
Notice how
factors back to the original expression
(if you need help with factoring, check out this
solver
). So this verifies our answer.