SOLUTION: 9a2+42a-49

Question 290245: 9a2+42a-49
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
9a^2+42a-49

a=(-42+-sqrt[42^2-4*9*-49])/2*9
a=(-42+-sqrt[1764+1764])/18
a=(-42+-sqrt3528)/18
a=(-42+-59.397)/18
a=(-42+59.397)/18
a=17.397/18
a=.9665 ans.
a=(-42-59.397)/18
a=-101.397/18
a=-5.633 ans.
RELATED QUESTIONS
what is the answer to... (answered by checkley75)

(7-42a)(3/7) (answered by jim_thompson5910)

factor each polynomial, if possible. if the polynomial cannot be factored, write prime. (answered by blwinbbbles)

(6ab^2/35b)(42a/18ab) (answered by mathdoc314)

Factor: 42a^2-29ab-5b^2 (answered by checkley75)

write the expression without using a fraction bar-... (answered by issacodegard)

Subtract. (3a3 � 2a2) � (7a3 + 9a2) Please I need... (answered by radh)

What is te gcf of -42a^2 and... (answered by nerdybill)