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OpenStudy (anonymous):
Simplify: (3x - 2) (3x - 2). A. 2x2 + 3x - 4 B. 3x2 - 9x + 4 C. 9x2 - 12x + 4 D. 9x2 - 12x - 6 Simplify (x + 7)2. A. x2 + 14x + 49 B. x2 - 14x + 49 C. x2 + 14x - 49 D. x2 - 14x - 49
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OpenStudy (nubeer):
2) Hint : (a+b)^2 =a^2+2ab+b^2
OpenStudy (anonymous):
that's the formula??
OpenStudy (nubeer):
yes
OpenStudy (anonymous):
Thx
OpenStudy (nubeer):
yw
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OpenStudy (anonymous):
1) C 2) A
OpenStudy (anonymous):
thxx
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