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solving this quadratic equation by factoring (x+1)(2x-3)=8(2x-3)
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is this the question or you stuck here???
im stuck on this question...but the topic is called "solving quadratic equations by factoring
when you will see the discriminant, it is less than 0. so it can not be factorize| it has complex solutions.
so than wat do I do? :(
you can find the answer by this formula
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have you studied complex numbers???
nope :(
oh i made a mistake the answer is x=3/2 and 7
(x+1)(2x-3)=8(2x-3) 2x^2 -3x+2x-3=16x-24 2x^2 -x-3-16x+24=0 2x^2 -17x+21=0 2x^2-14x-3x+21=0 2x(x-7)-3(x-7)+0 (2x-3)(x-7)=0 x=(3/2) and x=7
thankxxxxx
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@RebeL_NYC :-)
how bout xsquared=81
+9 ans -9
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