Question

if a + b is 2 and a minus b is 10 find the value of a square + b square​

Answer 1

Step-by-step explanation:

a+b=2

a=2-b -------1 .

a-b=10

put the value of a from 1.equation

2-b-b=10

2-2b=10

-2b=10-2

-2b=8

b=8/-2

b=-4. put in 1 equation

a=2-(-4)

a=2+4

a=6

a²+b²

6²+(-4)²

36+16

52