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Mathematics 7 Online
OpenStudy (faolan):

Help me pls... (2a^x + 1/2b^x)^2

OpenStudy (faolan):

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

OpenStudy (welshfella):

(2a^x + 1/2b^x)^2 = (2a^x + 1/2b^x) * (2a^x + 1/2b^x) now you multiply the second parentheses by 2a^x then do same thing with 1/2 b^x then simplify any like terms

OpenStudy (welshfella):

I'll start you off (2a^x + 1/2b^x) * (2a^x + 1/2b^x) = 2a^x * 2a^x + 2a^x * 1/2 b^x +

OpenStudy (faolan):

thx

OpenStudy (faolan):

then what...

OpenStudy (welshfella):

then muttiply the second parentheses by 1/2 b^x

OpenStudy (faolan):

got it thx!

OpenStudy (faolan):

4a^2x + 2a^2 b^2 + 1/4b^2x

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