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ALGEBRA 1!!! MATH!! HELP!! I'M CLUELESS!
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syooor:DDD
Simplify \[(2\sqrt{5} + 3\sqrt{7})^2\]
The wait is killing me.
use this ( a+b)^2 = a^2 +2ab + b^2
Please explain steps and show your work! Thanks to all answers :D
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Use the foil rule. \[(2\sqrt{5}*3\sqrt{7})(2\sqrt{5}*3\sqrt{7})\]
First, outter, inner, last.
ugh...uhmmmm...i'm gonna use the a^2 + 2ab + b^2 thing \[(2\sqrt{5})^{2} + 2(2\sqrt{5})(3\sqrt{7}) + (3\sqrt{7})^{2}\]
Whoops, instead of * replace with +
I still don't understand!
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\[(2^{2})(\sqrt{5}^{2}) + (2)(2)(3)(\sqrt{(7)(5)} + (3^{2})(\sqrt{7}^{2})\] can you continue from here now? :D
|dw:1334711001068:dw|
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