SOLUTION: Help me please, I have tried to understand how to do this one.. Write the expression in simplest form. ab - 3a + 5b � 15/15 + 3a^2

SOLUTION: Help me please, I have tried to understand how to do this one.. Write the expression in simplest form. ab - 3a + 5b � 15/15 + 3a^2 - 5b � a^2b Thank you

Question 107863: Help me please, I have tried to understand how to do this one..
Write the expression in simplest form.
ab - 3a + 5b � 15/15 + 3a^2 - 5b � a^2b
Thank you

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Write the expression in simplest form.
ab - 3a + 5b � 15/15 + 3a^2 - 5b � a^2b
[a(b-3)+5(b-3)] / [3(5+a^2)-b(5+a^2)]
[(b-3)(a+5)] / [(5+a^2)(3-b)]
[-(3-b)(a+5)]/[(5+a^2)(3-b)]
Cancel (3-b) which is common to numerator and denominator:
= -(a+5)/(5+a^2)
=====================
Cheers,
Stan H.
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