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Solve this equation by factorising: y² + 3y - 10 = 0
asked
Sep 13, 2023
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Solve this equation by factorising:
y² + 3y - 10 = 0
Mathematics
high-school
Titianne
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Answer:
y = 2
Explanation:
Sandeep Talabathula
answered
Sep 15, 2023
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Sandeep Talabathula
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first of list factors of 10
1 10
2 5
-2 and 5 can add up to get -3
so you would place it into brackets
(y-2)(y+5)=0
now work with each bracket at a time:
y-2=0
y=2
and the next one:
y+5=0
y=-5
and here is what you get
y = -5, 2
Saurav Sahu
answered
Sep 19, 2023
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Saurav Sahu
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