SOLUTION: Please help me.find each sum or difference 6 sqrt sign 49a and small 9 at top ofa -5 sqrt sign 36b and small 2 at top of b thank you i appreciate your help

Question 139335: Please help me.find each sum or difference 6 sqrt sign 49a and small 9 at top ofa -5 sqrt sign 36b and small 2 at top of b thank you i appreciate your help
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
6 sqrt sign 49a and small 9 at top ofa -5 sqrt sign 36b and small 2 at top of b
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6sqrt(49a^9) - 5sqrt(36b^2)
= 6sqrt(49a^8)sqrt(a) - 5*6b
= 6*7a^4*sqrt(a) - 30b
= 42a^4(sqrt(a)) - 30b
==============================
Cheers,
Stan H.
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