Answer:
hello
Step-by-step explanation:
y = - 3/4 (x+3) (x+7)
=-3/4 (x*x+x*7+3*x+3*7)
=-3/4(x²+7x+3x+21)
=-3/4(x²+10x+21)
=-3/4*x² -3/4*10x -3/4 *21
=-3/4x² -30/4x -61/4
=-3/4x² -15/2x -61/4