Question

Use the identity (x + a) (x + b)=x2 +(a+b)x+ ab to find the following products.
b) (x + 3) (x + 7)
(i) (4x + 5) (4x + 1)
fiii) (4x - 5)(4x - 1)
(iv)-(4x + 5) (4x - 1)
(v) (2x + 5y) (2x + 3y)
(vi). (2a +9) (20+5)
an(vii) (xyz - 4) (xyz - 2)​

Answer 1

Answer:

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Answer 2

Answer:

Use the identity (x + a) (x + b)=x2 +(a+b)x+ ab to find the following products.

b) (x + 3) (x + 7)

(i) (4x + 5) (4x + 1)

fiii) (4x - 5)(4x - 1)

(iv)-(4x + 5) (4x - 1)

(v) (2x + 5y) (2x + 3y)

(vi). (2a +9) (20+5)

an(vii) (xyz - 4) (xyz - 2)

ANSWER :-