Question

If you're a + 3 is equal to 10 and a b equal to 4 then the value of a square + 9 b square is equal to

Answer 1

Answer:

2545/49

Step-by-step explanation:

a+3=10

a=7

b=4/7

So according to the question

$a^{2}$+9$b^{2}$=

$7^{2}$+9$4/7^{2}$=

49+144/49

=2401+144/49

2545/49

Answer 2

a=10-3

a=7/b=4

3^2+9*4=45