kay4451
17.12.2020 •
Mathematics
Which expression is equivalent to the following expression?
(−4x² + 3x − 7) − (x² − 7x + 5)
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Ответ:
-5x^2+10x-12
Step-by-step explanation:
(-4x^2+3x-7)-(x^2-7x+5)
-4x^2-x^2+3x-(-7x)-7-5
-5x^2+3x+7x-12
-5x^2+10x-12
Ответ:
(75 * 3) + 55 + 104 + 85 + 3.
75 * 3, because each race is 75 points.
And now I am confused. "deductions"?
Step-by-step explanation: