# (x ) ( x ) # ## (x + 2 ) ( x + 6 )
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x2 - 8x + 32 = 0 (assuming)you can factor or use the quadratic equation.I recommend the quadratic equation.
x² + 8x - 48 = (x + 12)(x - 4) x² + 8x + 48 = (4+(√32)i)(4-(√32)i)
x2 + 8x - 5 = 0 ∴ x2 + 8x + 16 = 21 ∴ (x + 4)2 = 21 ∴ x + 4 = ± √21 ∴ x = -4 ± √21
Simplifying 8x2 + -8x + -16 Factor out the Greatest Common Factor (GCF), '8'. 8(x2 + -1x + -2) Factor a trinomial. 8((-x + -1)(-x + 2)) Final result: 8(x - 2)(x + 1)
x - x2 - 9x + 14 = 0 ; whence, x2 + 8x = 14 , x2 + 8x + 16 = 30 , and x + 4 = ±√30 . Therefore, x = ±√30 - 4 .