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Rainbow [258]
3 years ago
14

Simplify the expression

Mathematics
2 answers:
masya89 [10]3 years ago
8 0

Answer:

We conclude that:

\frac{18p}{5}+12q+18-\frac{18p}{5}-16q-6=-4q+12

Hence, option A is true.                    

Step-by-step explanation:

Given the expression

3\left(\frac{6}{5}p+4q+6\right)-2\left(\frac{9}{5}p+8q+3\right)

solving the expression

3\left(\frac{6}{5}p\:+\:4q\:+\:6\right)\:-\:2\left(\frac{9}{5}p\:+\:8q\:+\:3\right)=3\left(\frac{6p}{5}+4q+6\right)-2\left(\frac{9p}{5}+8q+3\right)

Expand  3\left(\frac{6p}{5}+4q+6\right)=\frac{18p}{5}+12q+18

                                                           =\frac{18p}{5}+12q+18-2\left(\frac{9p}{5}+8q+3\right)

Expand  -2\left(\frac{9p}{5}+8q+3\right)=-\frac{18p}{5}-16q-6

                                                             =\frac{18p}{5}+12q+18-\frac{18p}{5}-16q-6

Group like terms:                                

                                                             =\frac{18p}{5}-\frac{18p}{5}+12q-16q+18-6

Add similar elements: \frac{18p}{5}-\frac{18p}{5}=0

                                                               =12q-16q+18-6

Add similar elements:  12q-16q=-4q

                                                                =-4q+18-6

                                                                =-4q+12

Therefore, we conclude that:

\frac{18p}{5}+12q+18-\frac{18p}{5}-16q-6=-4q+12

Hence, option A is true.                                                                                                        

Colt1911 [192]3 years ago
3 0
A. -4q+12 sorry it’s it’s wrong
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