Math, asked by mekharosebiju123, 1 year ago

(x+1 by 2)(x+3 by 2)

Answers

Answered by stark0073
1

Answer:

4x²+12

Step-by-step explanation:

= [(x+1)/2][(x+3)/2]

∴by cross multiplication

=[2(x+1)][2(x+3)]

=[2x+2][2x+6]

=[2x*2x]+[2*6]

=4x²+12

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