Answer:
x = 7x^2
Step-by-step explanation:
4x-14=-3x^2
x-14=3x^2
x= 7x^2
3x²+4x-14=0
Standard form of a quadratic equation is ax²+bx+c=0. To do that, simply move -3x² over to the other side by adding it. That leaves you with the answer.
<B is the right angle
<A is acute
<C is acute
<D is obtuse
Answer: x = 39 because 39 + 102 = 141 and 180 - 141 = 39
