Question

Pls solve 8th question

Answer 1

here is your answer by Sujeet,
a+b=24
a-b=8
By elimination method for solving the equation
a+b=24
a-b=8

______
2b=16
b=16/2
b=8

again,
a+b=24
a+8=24
a=24-8
a=16

for quardratic equation,
x²-(a+b)x+ab
x²-(16+8)x+16*8
x²-24+128

that's all