Question

Solve
3x+2y=7 3x^2-2y^2=25

Answer 1

ANSWER = {(3,-1),(11,-13)}

Answer 2

find x from 3x+2y=7
put it in 2nd equation

Answer 3

ok wait

Answer 4

\[x=\frac{ 7-2y }{ 3 } RIGHT?\]

Answer 5

49-28y+4y^2/3 -2y^2=25

Answer 6

am i doing right

Answer 7

yes.
(49-28y+4y^2)/3 -2y^2=25
first multiply 3 to eliminate denominator

Answer 8

25x3=75

Answer 9

and -2y^2 *3 = -6y^2

Answer 10

2y^2-28y-26=0

Answer 11

how u get +2y^2??
i get -2y^2

Answer 12

4y^2-2y^2

Answer 13

4y^2-6y^2

Answer 14

why are u multiplying 3 by -2y^2 we are cross multiplying and it will be 25x3=75

Answer 15

i am multiplying 3 throught , to each term

Answer 16

\[\frac{ 49-28y+4y^2 }{ 3 }-2y^2=25\]

Answer 17

ok

Answer 18

\[2y^2+28y+26=0\]

Answer 19

yes.

Answer 20

y=-4 and y=13

Answer 21

sorry -13

Answer 22

i m getting -1,-13

Answer 23

sorry i am getting -1 and -13

Answer 24

i have got the answers thank u all