Answer:
Step-by-step explanation:
Por aspa simple:
x²+x-30=0
X +6
X -5
(x+6)(x-5)=0
x+6=0
x=-6
x-5=0
x=5
espero te sirva suerte en tus estudios :D
Answer:
EIther 45 or 15
Step-by-step explanation:
2x+4y=16
2x+4(4)=16
2x+16=16
-16=-16=2x=0
Answer:
You didn't provided the answer choices, but the answer is he scored 22 points in total.
Step-by-step explanation: