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Mathematics 7 Online
OpenStudy (anonymous):

Can someone do me a favor and check my work in this assenment Please!!

ganeshie8 (ganeshie8):

mostly all are wrong..

OpenStudy (anonymous):

are you serious?

ganeshie8 (ganeshie8):

yes

OpenStudy (anonymous):

can you help me

OpenStudy (anonymous):

with 1-6

ganeshie8 (ganeshie8):

sure.. wait

ganeshie8 (ganeshie8):

\[ \huge\frac{4x}{9} + \frac{x-10}{9}\]

ganeshie8 (ganeshie8):

this is your first problem

OpenStudy (anonymous):

thats the problem

ganeshie8 (ganeshie8):

il show you how to simplify this.. rest of the 5 il let you try ok

ganeshie8 (ganeshie8):

here we are trying to add two "rational terms" so we need to make the base common

OpenStudy (anonymous):

they are all ready common

ganeshie8 (ganeshie8):

yup.. :) so its easy now.. below is the process to add two rational terms: 1) make the denominators common 2) add the numerators 3) put it over the common denominator

ganeshie8 (ganeshie8):

\[\huge\frac{4x}{9} + \frac{x-10}{9} \] \[ = \huge\frac{4x + x - 10}{9}\] \[ = \huge\frac{5x - 10}{9}\]

ganeshie8 (ganeshie8):

we simply added the numerator terms. and kept them over denominator. thats all there to do for this problem. lets move to second..

OpenStudy (anonymous):

can't it be more simplified?

ganeshie8 (ganeshie8):

you want to take the "5" common ?

ganeshie8 (ganeshie8):

\[= \huge\frac{5x - 10}{9} \] \[= \huge\frac{5(x - 2)}{9} \]

ganeshie8 (ganeshie8):

good observation... so now it is fully simplified :)

ganeshie8 (ganeshie8):

lets do second problem

ganeshie8 (ganeshie8):

\[\huge\frac{t^2+6t}{t-1} - \frac{7}{t-1} \]

ganeshie8 (ganeshie8):

lets follow our steps : 1) make the denominators common 2) add the numerators 3) put it over the common denominator

ganeshie8 (ganeshie8):

here also, denominators common ?

ganeshie8 (ganeshie8):

can u simplify.. try

OpenStudy (anonymous):

7t^2+7/t-1?

ganeshie8 (ganeshie8):

sure.. ?

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