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Answers by DavidZ
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DavidZ
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User DavidZ
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User DavidZ
Recent activity
All questions
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Simplify the following (4x^2-64)/(x^2-5x+4)
answered
Apr 6, 2013
in
Algebra 1 Answers
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403
views
simplifying expressions
ordered 9 more copies of a biobook at 89 than copies of the chem book at $74. You spent $3246
answered
Apr 6, 2013
in
Word Problem Answers
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1.2k
views
fraction word problems
6 and 1 over 3x plus 1 and 5 over 6 equals 7 and 2 over 3
answered
Apr 2, 2013
in
Pre-Algebra Answers
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649
views
solve for x
can you help me solve (x-10)(x+10)=-19
answered
Apr 2, 2013
in
Algebra 2 Answers
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337
views
algebra problems
complex numbers - i^4+i^9+i^16/3-2i^8-i^10-i^15
answered
Mar 29, 2013
in
Algebra 1 Answers
|
1.2k
views
complex numbers
3+2i/3-2i=
answered
Mar 29, 2013
in
Algebra 1 Answers
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637
views
complex numbers
-3i^-86785479=
answered
Mar 29, 2013
in
Calculus Answers
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373
views
complex numbers
square root of 9y^10
answered
Mar 29, 2013
in
Algebra 1 Answers
|
912
views
square roots
algebra problems
domain of a function
2(2x+5) +5(3x+1) < 25
answered
Mar 29, 2013
in
Algebra 1 Answers
|
460
views
solve for x
solving equations
solve algebra equation
Simplify the expression 7/2i
answered
Mar 29, 2013
in
Algebra 2 Answers
|
660
views
simplifying expressions
-3*6^x-10=-49.1
answered
Mar 29, 2013
in
Algebra 2 Answers
|
558
views
exponential equation
logarithms
find 2 consecutive even integers such that four times the larger is 2 less than 5 times the smaller
answered
Mar 29, 2013
in
Word Problem Answers
|
2.2k
views
how do you solve this equation problem? please show steps to solve..i've figured most but got stuck on this one.
algebra problems
word problems
consecutive numbers
what is x squared plus 2x=0
answered
Mar 29, 2013
in
Factors of a number
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541
views
solving equations by factoring
2x squared + 2x=0
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