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18x6=108 108-23=85 Your answer is 85.
-2r(3r - 11)(3r + 11)
Solving for r: 16r2+18r+5=0 (2r+1)(8r+5)=0 2r+1=0 and 8r+5=0 2r=-1 .......... 8r=-5 r= -1/2 ........ r= -5/8
You find the highest common factor of the numerator and denominator. If that is 1, then the fraction is in its simplest form.
Find the GCF of the numerator and the denominator and divide them both by it. If the GCF is 1, the fraction is in its simplest form.