Question

Solve the following quadratic equation by using the quadratic formula.
5x²+2x-7=0

Answer 1

1st multiply coefficients if 1st n last terms ==5 *-7=-35
find products of -35 whose sum or difference=+2
-35=7 *-5
where 7-5=2
u can slplit 5x²+2x-7=0
as 5x²+7x-5x-7=0
x(5x+70-1(5x+7)=0
proceed nxt

Answer 2

next

Answer 3

(5x+7)(x-1)=0
noe equate each term =0 to get x values

Answer 4

x= 7/5, 1

Answer 5

well done

Answer 6

k thanks

Answer 7

just small - difference in x=7/5