If a+b=7 and ab=10 find a-b
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Hey friend. .!! here's your answer
_________________________.

Frome equation 1
a = 7 - b________ 3
Put the value of eq 3 in eq . 2
(7 - b) b = 10

Now , Factorise

So b = 2 or 5
Put the value of b in eq 3
a = 7 - 2
a = 5
value of a = 5 and b = 2
__________
#Hope its help
_________________________.
Frome equation 1
a = 7 - b________ 3
Put the value of eq 3 in eq . 2
(7 - b) b = 10
Now , Factorise
So b = 2 or 5
Put the value of b in eq 3
a = 7 - 2
a = 5
value of a = 5 and b = 2
__________
#Hope its help
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