Question

1. Use suitable identities to find the following products:
(1) (x+4)(x + 10)
(i) (x+8) (x - 10
(iii) (3x + 4) (3x)
3
(iv) (y2 + 3) (0-2
23
)
(v) (3-2x) (3 + 2x)​

Answer 1

Step-by-step explanation:

1) x²+(4+10)x+(4×10)

x²+ 14x+40

2) x²+(8-10)x+(8×-10)

x²-2x -80