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anonymous
 3 years ago
(x5)(x+3)=33 ; find the real roots
anonymous
 3 years ago
(x5)(x+3)=33 ; find the real roots

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cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1(x5)(x+3)=33 x^2  2x  15 = 33 x^2  2x  48 = 0 can u continue from here?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Thanks! Just realized my mistake. added 33 instead of subtracting

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Ah another question. Havent done this stuff in 4 years.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0(x+2)^2(x1)+(x+2)(x1)^2

whpalmer4
 3 years ago
Best ResponseYou've already chosen the best response.1\[(x+2)^2(x1) + (x+2)(x1)^2\]multiply it out, step by step: \[(x+2)^2 = (x+2)(x+2) = x^2+2x+2x+4 = x^2+4x+4\] \[(x^2+2x+4)(x1) = x^3x^2+2x^22x+4x4 = x^3+x^2+2x4\] \[x^3+x^2+2x4 + (x+2)(x1)^2\]you do the rest, then simplify

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0I've gotten down to 2x^3+3x^211x2 Any help factoring that please?

whpalmer4
 3 years ago
Best ResponseYou've already chosen the best response.1@cwrw238 pretty sure that those 2s outside parentheses are supposed to be ^2

whpalmer4
 3 years ago
Best ResponseYou've already chosen the best response.1life would be easier if openstudiers couldn't copy and paste the questions, losing all of those valuable positional clues :)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Guys , you didnt need to expand!

whpalmer4
 3 years ago
Best ResponseYou've already chosen the best response.1we didn't need to do anything, really :)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0just do something similar like a^2v +ab^2 = ab(a+b) then solve!

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0gah im hitting myself >:(
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