video1.0<iframe src="https://www.loom.com/embed/fb1b19420e4940e1a347367155aa7b32" frameborder="0" width="832" height="624" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>624832Loomhttps://www.loom.com624832https://cdn.loom.com/sessions/thumbnails/fb1b19420e4940e1a347367155aa7b32-00001.jpg247p: (ax+3)(5x^2-bx+4) = 20x^3 - 9x^2 - 2x + 12 The equation above is true for all x, where a and b are constants. What is the value of ab?