KamisiaLJohnson KamisiaLJohnson

16-05-2017
Mathematics

contestada

Subtract. (5r2+5r+9)–(3r+2)

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Аноним Аноним

16-05-2017

Distribute a 1 on both sides.
1(52^2=52+9)- (3r+2)*1
Now that's
5r^2 + 5r +9 - 3r +2

now solve for like variables

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