Salve by factorisation nethod, 7y²-32y +16=0
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Answer:
7y^2-32y+16=0
7y^2-28y-4y+16=0
7y(y-4)-4(y-4)=0
(y-4)(7y-4)=0
y=4,4/7
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3
Answer:
(y - 4) (7y - 4)
Step-by-step explanation:
==: 7y² - 32y + 16 = 0
==: 7y² - 28y - 4y + 16 = 0
==: 7y (y - 4) - 4 (y - 4) = 0
==: (y - 4) (7y - 4) = 0
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