Solved

Multiply
- (x−0.9)(x+0.9)(x-0.9)(x+0.9) A) x2−1.8x−0.81x^{2}-1.8 x-0.81 B) x2−0.81x^{2}-0.81 C) x2−1.8x+0.81x^{2}-1.8 x+0.81 D) x2+0.81x^{2}+0.81

Question 257

Multiple Choice

Multiply.
- (x−0.9) (x+0.9) (x-0.9) (x+0.9)


A) x2−1.8x−0.81x^{2}-1.8 x-0.81
B) x2−0.81x^{2}-0.81
C) x2−1.8x+0.81x^{2}-1.8 x+0.81
D) x2+0.81x^{2}+0.81

Correct Answer:

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