Answer:
x = 20
Step-by-step explanation:
2x+10 = 50
2x = 40
2x/2 = 40/2
Answer:7√3 + 3√7
7√3 + √63
=> 7√3 + √(7×9)
=> 7√3 + (√7 × √9)
=> 7√3 + 3√7
f(4) = 3×4^2+15
4^2=16
3×16
48+15
63
f(4)=63
x=2 y=2
