Put the quadratic equation given into standard form to identify 𝑎, 𝑏, and 𝑐.−𝑥2+3𝑥+4=0𝑎𝑥2+𝑏𝑥+𝑐=0

Put the quadratic equation given into standard form to identify 𝑎, 𝑏, and 𝑐.−3𝑥2+5𝑥=7𝑎𝑥2+𝑏𝑥+𝑐=0

4 𝜕𝑢𝜕𝑡 + 𝜕𝑢𝜕𝑥 = 3𝑢; given that 𝑢(𝑥, 0) = 3𝑒−𝑥 − 𝑒−5𝑥.

Put the quadratic equation given into standard form to identify 𝑎, 𝑏, and 𝑐.3𝑥2−3𝑥+7=0𝑎𝑥2+𝑏𝑥+𝑐=0

𝑓(𝑥) = 𝑥3 + 3𝑥 − 4

. If 𝑦 = 𝑢 2 − 2𝑢 and 𝑢 = 𝑥 2 − 𝑥 find 𝑑𝑦 𝑑�