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OpenStudy (texmechanica):
Which statements are true? Choose all answers that are correct. A. (3x-2)^2=9x^2-10x+4 B. (4c-3)^2=16c^2-24c+9 C. (5y+4)^2=25y^2+40y+16 D. (3b-3c)^2=9b^2+9c^2
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syed98 (syedmohammed98):
do u want me to explain or do u just need the answers?
OpenStudy (texmechanica):
Both would be nice please.
OpenStudy (texmechanica):
Ok just the answer.
OpenStudy (mudkillz):
To get rid of the parentheses on the left side, multiply everything by itself, since it's to the power of 2. Then solve for the right side of the statements, and compare.
OpenStudy (dayakar):
|dw:1456417144984:dw| use this identity to expand right hand side part and verify
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rebeccaxhawaii (rebeccaxhawaii):
got it?
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