Question is unclear to me ,, can you rewrite it in a nicer way so i can answer?
Answer:
A
Step-by-step explanation:
we just substitute the value of "a" given in the above expression we get
21-2(3)
21-6=15
X^2+x-12=0 factors out into (x+4)(x-3) so the answer is: x=-4, x=3
Answer:
D
Step-by-step explanation:
