Question

solve 5x^2-11x+3=0

Answer 1

I cant find out what adds to - 11 and multiplys to 3

Answer 2

it can't be solved through factorization method so u have to use the quadratic formula\[\Huge{x=\dfrac{-b \pm \sqrt{b^2-4ac}}{2a}}\]

Answer 3

here b=-11,a=5, c=-3

put the values & solve :)

Answer 4

oh ok thanks

Answer 5

Btw how would i solve 8x-7-x^2=0?

Answer 6

do i rearrange it?

Answer 7

Yes

Answer 8

how would i rearrange it?

Answer 9

put the x^2 on the front.
-x^2+8x-7

The factor out the negative.
-(x^2-8x+7)

Then factor and solve

Answer 10

x = 7 or 1?

Answer 11

is (x-7)(x-1)=0 the correct step before the answer?

Answer 12

Yup, that's right

Answer 13

oh so it doesnt matter if they have the same sign?

Answer 14

No

Answer 15

ok thanks