Question

x
${x}^{2} + 7 + 12$
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Answer 1

x²+7x+12 = 0

x²+3x+4x+12 = 0

x(x+3)+4(x+3) = 0

(x+3)(x+4) = 0

∴ x = -3,-4

Answer 2

Answer:

${x}^{2}+ 7 + 12$

${x}^{2}+ 4x + 3x + 12$

$x (x + 4) + 3 (x + 4)$

$(x + 4) (x + 3)$

$x = - 4$

$x = - 3$

HOPE IT HELPS YOU BUDDY.....