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Diano4ka-milaya [45]
3 years ago
15

Rewrite the expression (x+3)(3x+8)-3X(x+3)

Mathematics
1 answer:
inysia [295]3 years ago
6 0
Multiply (x+3)(3x+8)      x times 3x =3x^2 then multiply x times 8 = 8x
                                 keep multiplying 3 times 3x =9x  then 3 times 8=24 
                          then multiply the -3x(x+3)=  -3x^2-9x
your hole expression will look like this 3x^2+8x+9x+ 24-3x^2-9x

if you need to simplify you can do by adding or subtracting them.
for example you can add 8x+9x= 17x

      
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