A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
Take 2y2 - 3y - 5 from y3 - 6y2 + 5y. Select the correct answer.
y3 - 2y2 + 3y + 5
y3 - 4y2 + 2y - 5
y3 - 4y2 + 2y + 5
y3 - 8y2 + 8y + 5
Solution:
It is given that
We have to take 2y2 - 3y - 5 from y3 - 6y2 + 5y
i.e., Subtract y3 - 6y2 + 5y and 2y2 - 3y - 5
y3 - 6y2 + 5y - (2y2 - 3y - 5)
= y3 - 6y2 + 5y - 2y2 + 3y + 5
It can be written as
= y3 - 6y2 - 2y2 + 5y + 3y + 5
So we get,
= y3 - 8y2 + 8y + 5
Therefore, the correct answer is y3 - 8y2 + 8y + 5.
Take 2y2 - 3y - 5 from y3 - 6y2 + 5y. Select the correct answer.
Summary:
Take 2y2 - 3y - 5 from y3 - 6y2 + 5y. The correct answer is y3 - 8y2 + 8y + 5.
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