madison424870 madison424870 09-04-2020 Mathematics contestada Convert the following equation into intercept form: f(x) = 3x2 + 21x + 36 A f(x)= 3(x – 3)(x – 4) B f(x) = 3(x – 9)(x – 12) C f(x) = 3(x + 3)(x + 12) D f(x) = 3(x+3)(x + 4)