Question

4xsquare +9x +15 factorize

Answer 1

$\frac{Question}{} \\ 4x {}^{2} + 19x + 15$

$\frac{Answer}{}$

$= 4x {}^{2} + x(15 + 4) + 15 \\ \\ = 4x {}^{2} + 15x + 4x + 15 \\ \\ = x(4x + 15) + 1(4x + 15)$

$<marquee>= (4x + 15)(x + 1)$

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