Question

Find the following using suitable identities

a) (x+3) (x+3)

b) (4x+5) (4x+1)

plz help me friends ​

Answer 1

Answer:

a) (a+b)²

Step-by-step explanation:

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Answer 2

a) (x + 3)^2 = x^2 + 6x + 9

b) 4x(4x +1) + 5(4x+1) = 16x^2 + 4x + 20x +5

= 16x^2 + 24x + 5