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Contact [7]
3 years ago
11

X2 – 4x – 5 = 0 ( SHOW WORK AND SAY WHAT METHOD U USED) except calculator please :D

Mathematics
1 answer:
Elden [556K]3 years ago
8 0
Two factors of -5 are -5 and 1. -5 and 1 make a sum of -4, so the equation can be factored into (x-5)(x+1)=0
x-5=0 or x+1=0
x=5 or x=-1
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