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Please help me with this......i tried solving it as much as i could...pls pls pls? I need help with algebra 2, -4x^2-3x+2=0. were supposed to use the quadratic formula to answer the question.? Realizei um empréstimo no valor de R$ 5.000,00 mas por conta dos juros, o valor ficou maior. Neste caso eu teria que declarar no IR ou nao? Isn't anything that does not move a mass? Differentiate the expression (x^2+y^2)^7 with respect to x. (dy/dx)?