Question

Please help 50 points! ​

Answer 1

d = 6

Explanation:

`√(25 + 3( - 3)) = d + 2( - 3) \\ 4 = d - 6 \\ d = 10`

hopefully this makes sense

:)

Answer 2

d=10

Answer:

Solution given:

`√(25+3x)=d+2x`

squaring both side

25+3x=(d+2x)²

when x=-3

25+3*-3=(d+2*-3)²

25-9=(d-6)²

16=(d-6)²

`√(16)=d-6`

4=d-6

d=4-6

d=10