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Mathematics, 25.07.2019 06:00 yam44

Simplify the expression. (15 points! ) $6 t^{2} - 5.4 - 3.5t + 2.5x^{2} + 3t$ a. $-8.5 t^{2} + 0.5t + 5.4$ b. $8.5t^{2} - 0.5t + 5.4$ c. $4 t^{2} - 6.5t$ d. $-4 t^{2} + 6.5t$

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Simplify the expression. (15 points! ) [tex]6 t^{2} - 5.4 - 3.5t + 2.5x^{2} + 3t[/tex] a. [tex]-8.5...

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