Posted by **kristina** on Thursday, March 6, 2008 at 5:26pm.

I must simplify this equation and am having a hard time (5+2a+3a)-(a2+a-6) I also would like to know if you could help me with this onex(4x2+3x-5)-2(4-x2) this is also simplifing. I have a really hard time with these, thank you

- math -
**MELISSA**, Thursday, March 6, 2008 at 7:10pm
(5+5A)-(A-4)

I CANT HELP U WITH THE SECOND ONE

- math -
**Reiny**, Thursday, March 6, 2008 at 8:06pm
(5+2a+3a)-(a2+a-6)

= 5+5a - a^2 - a + 6

= 11 + 4a - a^2

second one

x(4x2+3x-5)-2(4-x2)

= 4x^3 + 3x^2 - 5x - 8 + 2x^2

= 4x^3 + 5x^2 - 5x - 8

These are the answers according to the way you typed the questions

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