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(2x+1)(x-3)=0
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2x+1=0 x=-1/2 or x-3=0 x=3
? what do you mean
he means x = 3 or -1/2
oh I get it
Duh, wahts 0
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and what is x^2-12x=-36
(x-6)^2=0 x=6,6
ok and 21-x^2=4x
gorv please show more work instead of just giving the answer
theloaad who are you?
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@theload....plzzzz can u solve step by step
x^2-12x=-36 you do not get 6
the correct answer is 6
x = 6
and how did you get it?
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\[x ^{2}-12x+36=0 \] is what you get when you subtract 36, then you group which means it becomes \[(x-6)^{2}=0\] so x=6 when you solve
how you got (x-6)^2 @load
@theloaad
by grouping, what adds to -12x but multiplies to positive 36.
21-x^2=4x and what would this be then
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u should show the step buddy...as u told
@theloaad
could you explain it to me @gorv
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