Answer:
ANSWER: ADC=82
bda = 144
(7x+34)+(9x+46)=144
16x+80=144
16x=64
x=4
9(4)+46=82
adc=82
Step-by-step explanation:
(x^2 +3)(5x+9)
5x^3 + 9x^2 + 15x + 27
X is less than or equal to -3
explanation
first, i added 6x to both sides
next, i subtracted 25 from both sides
then i divided by 14 and got -3