Question

Factories using identities x square -81

Answer 1

Answer:

x

2

+5x+6

=x

2

+(3+2)x+3×2

We know appropriate identities x

2

+(a+b)x+ab=(x+a)(x+b)

Here a=3 and b=2

∴x

2

+(3+2)x+3×2

=(x+3)(x+2)

Answer 2

Answer:

Hope it's help you

thanks