Find the constant t such that (5x^2 - 6x + 7)(4x^2 +tx + 10) = 20x^4 - 49x^3 + 108x^2 - 95x + 70.
the coeffecient 't'
7 * tx - 10* 6x = - 95x
7t - 60 =- 95
7t = -35 t = -5
+36916 
