Question

Use suitable identities to find the following products:

(i) (x + 4) (x + 10) (ii) (x + 8) (x – 10) (iii) (3x + 4) (3x – 5)

(iv) (y2

+

3

2 ) (y2

– 3

2 ) (v) (3 – 2x) (3 + 2x)​

Answer 1

Answer:

(1)X(x+10)+4(x+10)

x^+10x+4x+40

Step-by-step explanation:

(2)x(x-10)+8(x-10)

x^-10x+8x-80

(3)3x(3x-5)+4(3x-5)

Answer 2

Answer:

ans:-

1) x² + 14x + 40

2) x² - 2x - 80

3) 9x - 3x - 20