Can someone plz help me solved this problem I need help ASAP plz help me! Will mark you as brainiest!
1 answer:
Answer:
2 & 8
-4 & -4
Step-by-step explanation:
x and y are the numbers, as per question:
x= 4+2y and xy= 16
- y(4+2y)= 16
- 2y²+4y=16
- y²+2y - 8= 0
- y²+2y+1 =9
- (y+1)²=9
- y+1=3 ⇒ y= 2 ⇒ x= 4+2*2= 8
- y+1= -3 ⇒ y= -4 ⇒ x= 4+2*(-4)= -4
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