The expression is simplified to 10x² + 48x + 3 =0
<h3>How to determine the value</h3>
Given the expression as;
We take the numerators have the same base, then we have;
(4x+1)(x+2) + 4(x(x+ 15) = -2x² + 21x - 1
expand the bracket
4x² + 8x + x + 2 + 4(x² + 15x) = -2x² + 21x - 1
4x² + 8x + x + 2 + 4x² + 60x = -2x² + 21x - 1
collect like terms
4x² + 4x² + 2x² + 8x + x + 60x - 21x = - 1 - 2
Add or subtract like terms
10x² + 48x = -3
Make into a quadratic equation
10x² + 48x + 3 =0
Thus, the expression is simplified to 10x² + 48x + 3 =0
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Answer:
Step-by-step explanation:
Consider polynomial
If x=-2 is its zero, then you can divide the polynomial by and get
If x=-1, then the polynomial can be rewritten as
The quadratic polynomial has roots
Then the polynomial has zeros
Answer:
B?
Step-by-step explanation:
Answer:
Probability to draw a club and second card is red without replacement will be or 12.75%
Step-by-step explanation:
A standard deck of cards contains number of cards = 52
And a standard deck contains number of club = 13
Now the probability of first card to be a club will be
=
Now this card is separated from the deck.
Therefore, number of remaining cards = 52 - 1 = 51
Second card has been drawn from the deck without replacement.
Since number of red cards in the deck = 13 + 13 = 26
Probability of the second card drawn =
Now probability that the first card is a club and the second card is red =
=
Or %
Therefore, probability to draw a club and second card is red without replacement will be or 12.75%