SOLUTION: Factor completely. Remember to look first for a GCF and to check by multiplying.
1. x2+4x+4
2. x2-20x+100
3. 64+16x+x2
4. 9x2 - 42x + 49
5. 36x2+96xy+64y2
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Question 693863: Factor completely. Remember to look first for a GCF and to check by multiplying.
1. x2+4x+4
2. x2-20x+100
3. 64+16x+x2
4. 9x2 - 42x + 49
5. 36x2+96xy+64y2
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Factor completely. Remember to look first for a GCF and to check by multiplying.
1. x2+4x+4
Both ends, the x^2 & the 4, are squares. Try that first.
2. x2-20x+100
Same comment
3. 64+16x+x2
Same comment
4. 9x2 - 42x + 49
Same comment
5. 36x2+96xy+64y2
Factor out 4 first, then same comment
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1. x2+4x+4 = (x+2)^2
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2. x2-20x+100 = (x-10)^2
---------------------------
3. 64+16x+x^2 = (8+x)^2
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4. 9x2 - 42x + 49 = (3x-7)^2
---------------------------
5. 36x2+96xy+64y2 = (6+8y)^2
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Cheers,
Stan H.
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