SOLUTION: ok. so the area of the paralleogram is 84 cm. the base is 5 cm more than the height. we have to write an equation to find the base and height. I figured it out to be 7 and 12 but

Algebra ->  Rectangles -> SOLUTION: ok. so the area of the paralleogram is 84 cm. the base is 5 cm more than the height. we have to write an equation to find the base and height. I figured it out to be 7 and 12 but       Log On


   

Question 579635: ok. so the area of the paralleogram is 84 cm. the base is 5 cm more than the height. we have to write an equation to find the base and height. I figured it out to be 7 and 12 but unsure how to prove it.
I was trying: 84= (h+5)h
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
You can check that 7 and 12 works and you're done.

Or, you can do



The LHS factors:



h = 7 or h = -12. We discard the negative solution since length can't be negative, so h = 7.