25x^2-40x+16 (with formula)
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Answered by
1
Answer:
(5x-8)(5x-8)
Step-by-step explanation:
This answee
Answered by
3
Answer:
Step-by-step explanation:
D = b²- 4ac
= (40)² - 4×25×16
= 1600 -1600
= 0
x= -b -√D /2a
= 40 - 0 / 50 = 4/5
therefore zeroes are 4/5 and 4/5
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