How do you simplify the expression (3x^2 + 4x - 5) - (x^2 - 2x + 7) ?
Answer 1
Rachel Ward
To simplify the expression (3x^2 + 4x – 5) – (x^2 – 2x + 7), distribute the negative sign and combine like terms. This results in: 3x^2 + 4x – 5 – x^2 + 2x – 7. Combining like terms, we get: (3x^2 – x^2) + (4x + 2x) + (-5 – 7) = 2x^2 + 6x – 12.
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