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4x(x+1) = 7 (solve quadratic equation)
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do u know quadratic formula?
yes
but don't I need to foil this first?
yes 4x (x+1) = 4x^2 + 4x
minus 7 too right?
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so your quadratic equation in the form ax^2+bx+c = 0 will be 4x^2 +4x-7 = 0 yes find a,b,c values
I get all that but I need the answer in square roots. I can't write decimals on the test.. that I don't have a problem with
how are you getting decimals ? did u calculate b^2-4ac = ... ?
I got square root of 44
no... what values of a,b,c, u got ?
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