Question

please help me urgent.help me​

Answer 1

Step-by-step explanation:

$\huge\underline\mathfrak{Answer}$

$1) {9x}^{2} + 12xy + {4y}^{2}$

$= {(3x)}^{2} + 2(2x)(3y) + {(4y)}^{2}$

$= {(3x + 4y)}^{2}$

$2) {16x}^{2} + 8y + {y}^{2}$

$= {(4x)}^{2} + 2(4x)(y) + {(y)}^{2}$

$= {(4x + y)}^{2}$

$3) {16x }^{2} - 8xy + {y}^{2}$

$= {(4x)}^{2} - 2(4x)(y) + {(y)}^{2}$

$= {(4x - y)}^{2}$

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Answer 2

Answer:

Step-by-step explanation:

9x2 +12xy +4y2

9x2+ 6x+6x +4y2

3x(3x+2) +2y(3x+2)

(3x+2y)(3x+2)