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Which expression is equivalent to the given expression? -2x² + 8x 9 + 4x + 7x² + 2 A. -9x² OB. c. - D. 12x + 11 -5x² + 4x + 11 -9x² + 4x - 7 5x² + 12x - 7
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Sep 18, 2023
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Which expression is equivalent to the given expression?
-2x² + 8x 9 + 4x + 7x² + 2
A. -9x²
OB.
c.
-
D.
12x + 11
-5x² + 4x + 11
-9x² + 4x - 7
5x² + 12x - 7
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Tawa
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Answer:
Explanation:
first, we need to simplify the expression:
we know that
and
have the same exponent (
) so we can combine them
now we have left is
we also see that 8x and 4x have the same exponent (x). now we combine them
8x+4x=12x
now we have left is -9+2
-9 and 2 can be combined together
-9+2=-7
now we put each exponent in order (x^power biggest to least)(ex;
) then just x then numbers without x
it should be
Arshad Parwez
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Sep 23, 2023
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Arshad Parwez
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