Question

Find following product by identities. (a)-(x+4) (x+10). (b)-(3x+4) (3x-5)​

Answer 1

HEY!!! HERE IS UR ANSWER...

Answer 2

Answer:

Step-by-step explanation:(X+4)(x+10)

Putting a =4,b=10

=x2 +(4+10) X+4×10

=X2+14x +40

(b) using (x+a)(x+b)=x2+(a+b)x  +ab,

putting a=8 b=10

= x2 +(8-10)×+(8)(-10)

=x2-2×-80