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Mathematics 8 Online
OpenStudy (anonymous):

Can someone help me please? If f(x) = 5x2 – 3x + 4 and g(x) = 2x – 5, what is f(x) • g(x) ? 10x3 + 31x2 – 23x + 20 10x3 + 19x2 – 7x – 20 10x3 – 31x2 + 23x – 20 10x3 – 19x2 – 7x + 20

OpenStudy (jkasdhk):

(5x2 – 3x + 4) x (2x – 5)

OpenStudy (anonymous):

?

OpenStudy (jkasdhk):

10x3 – 31x2 + 23x – 20

OpenStudy (anonymous):

How did you get that?

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