jasminevargasolea jasminevargasolea 06-02-2019 Mathematics contestada use the grouping method to factor 4x^3 +20x^2-3x-15 a) (x-5)(4x^2+3) b)(x+5)(4x^2-3) c)2x(x+1)(2x-15) d)(x^2-5)(4x+3)
