Question

if 5x-2y=7 and xy=3 find the value of (5x+2y)²​

Answer 1

Answer:

see this photo this is the right answer

Answer 2

Step-by-step explanation:

Let us find

first

5x-2y=7

NOTE. we are subsituring values by our own

what 2 numbers that we subtract get 7

there are so many numbers

5(3)-2(4)=7

15-8=7

7=7

second

xy=3

Note. in this also we are subsituting by our own

(3)(1) =3

3=3

i hope this helps you