Simplifying the Expression: (8x²−6x−3)–(4x²−5x+4)
This article will guide you through the process of simplifying the algebraic expression (8x²−6x−3)–(4x²−5x+4).
Understanding the Expression
The expression involves subtracting two polynomials. To simplify, we need to distribute the negative sign and combine like terms.
Step-by-Step Solution
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Distribute the negative sign:
- (8x²−6x−3) + (-1)(4x²−5x+4)
- 8x²−6x−3 - 4x² + 5x - 4
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Combine like terms:
- (8x² - 4x²) + (-6x + 5x) + (-3 - 4)
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Simplify:
- 4x² - x - 7
Conclusion
The simplified form of the expression (8x²−6x−3)–(4x²−5x+4) is 4x² - x - 7.
Remember: When simplifying expressions with parentheses and subtraction, remember to distribute the negative sign to all terms within the parentheses before combining like terms.