Mathematics
Evaluate:
-7x2 + 18x2 + 3x2 - 5x2
Algebraic Expressions
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Answer
-7x2 + 18x2 + 3x2 - 5x2
Arrange the polynomial with like terms together and combine them.
= (-7x2 + 18x2) + 3x2 - 5x2
= (11x2 + 3x2) - 5x2
= (14x2 - 5x2)
= 9x2
Hence, -7x2 + 18x2 + 3x2 - 5x2= 9x2
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