3 years ago

What is 8 9th +4 7th

Mathematics

2 answers:

kvv77 [185]3 years ago

8 0

Do you mean 8/9 + 4/7?

tamaranim1 [39]3 years ago

7 0

The answer would be 92 over 63(92/63) since the least common denominator is 63

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Step-by-step explanation:

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[ correction added, Thanks to @stef68 ]

$\bf (x-3)([x^2-2x+1]+9)=0\implies (x-3)(x^2-2x+10)=0 \\\\\\ x^3-2x^2+10x-3x^2+6x-30=0\implies x^3-5x^2+16x-30=f(x) \\\\\\ \stackrel{\textit{applying a translation with a -2f(x)}}{-2(x^3-5x^2+16x-30)=f(x)}\implies -2x^3+10x^2-32x+60=f(x)$

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