REUBENFAMILY12IN REUBENFAMILY12IN

Math

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9. Find the difference: (2r² - 6r - 7) - (3r² - 5r-8)
A r² +r+ 1
B. r² + r-1
C. r²- r-1
D. -r²-r + 1

Sagot :

PENALOSAMARCIN PENALOSAMARCIN

Answer: (2r²+6r+7)-(3r²+5r+8) = -r²+r-1 so it's letter B.

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