Please help, algebra, 90 points!factor 4x²+20xfactor x²+9x+8solve 4r² -16=84find the solution to the following equation by transferring it into a perfect square trinomial x²-6x=27use the quadratic formula to solve 3y²-9y-30=0where is the vertex of the parabola y=x^2+6x+7in which direction does the parabola open? y=3x²+5x+10
Question