Math, asked by zzainabzainab038, 1 month ago

x ^ 2 + 9x + 20 =
A. (x+4)^2
B.(x-5)^2
C.(x+4)(x+5)
D.(x+4)(x-4)

Answers

Answered by RasikaM

$= {x}^{2} + 9x + 20 \\ \\ = {x}^{2} + 5x + 4x + 20 \\ \\ = x(x + 5) + 4(x + 5) \\ \\ = (x + 4) (x + 5)$

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x ^ 2 + 9x + 20 =A. (x+4)^2B.(x-5)^2C.(x+4)(x+5)D.(x+4)(x-4)​

Answers

x ^ 2 + 9x + 20 =
A. (x+4)^2
B.(x-5)^2
C.(x+4)(x+5)
D.(x+4)(x-4)