Come valuti # 2x ^ 2 + 5x-3 #?
Come valuti # 2x ^ 2 + 5x-3 #? Risposta: #(x+3)(2x-1)# Spiegazione: The standard form of the #color(blue)”quadratic function”# is. #y=ax^2+bx+c# To factorise the function. • consider the factors of the product ac which sum to give b #”for “2x^2+5x-3# #a=2, b=5” and “c=-3# #rArrac=2xx-3=-6# #”the required factors of -6 are “+6” and “-1# #”Since … Leggi tutto