Question

Using suitable identity
(4x+5) x (4x+1)
Class 8

Answer 1

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

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

${16x}^{2} + 4 x+ 20x + 5$

${16x}^{2} + 24x + 5$

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