Question

Use the formula to multiply the following:
1. (a+9) (a-6)
2. (×/5+3) (×/5-2)

Answer 1

❤️❤️❤️HOPE THIS HELPS YOU ❤️❤️❤️

Answer 2

Concept:(X+a)(X+b)=X^2+(a+b)X+ab

1)

Here X=a

a=9

b=-6

so, using the identity we got.

=a^2+[9+(-6)]a+9(-6)

=a^2+3a-54

2)

X=X/5

a=3

b=-2

=(X/5)^2+[3+(-2)]X/5+3×(-2)

=X^2/25+X/5-6

** I Hope it's will help you**