Question

ii) Solve (x2 - 1)(x + 5)(x + 3) + 16 = 0​

Answer 1

Answer:

x 2 – 6 x = 16 becomes x 2 – 6 x – 16 = 0

Factor.

( x – 8)( x + 2) = 0

Setting each factor to zero, equation

Then to check, equation

Answer 2

Step-by-step explanation:

2x2 - 5x - 12 = 0.

(2x + 3)(x - 4) = 0.

2x + 3 = 0 or x - 4 = 0.

x = -3/2, or x = 4

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