SOLUTION: Evaluate: (a+b)^2

Question 176959This question is from textbook
: Evaluate: (a+b)^2 This question is from textbook

Found 2 solutions by jim_thompson5910, dini:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given expression.

Expand. Remember something like .

Now let's FOIL the expression.

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.

So FOILs to .

In other words, .

Answer by dini(5) (Show Source): You can put this solution on YOUR website!
(a+b)*(a+b)
=a^2+ab+ab+b^2
=a^2+2(ab)+b^2
RELATED QUESTIONS
Evaluate b^2-3ab when a=3 and... (answered by tutorcecilia)
Evaluate: ab-a/b if a=10 and... (answered by IWork4Dessert)
Evaluate b^2 -4a when a = -1, b =... (answered by whisper)
Evaluate: 14a/b for a=10 and b=2... (answered by sofiyacherni,edjones)
Evaluate b|2a + 100| where a = −32 and b = 2 (answered by stanbon)
evaluate 5-|a+5b| if a=-12 and... (answered by Fombitz)
evaluate 2a2 - 3b/a when a= -3 and b=... (answered by solver91311)
Evaluate: -a+b3-a2 if a = -3 and b = -2 (answered by checkley79)
Evaluate a^3-b^3 when a-b =2 and... (answered by ikleyn)