SOLUTION: Factor each quadratic expression.
1. –8x2 + 32
2. 3x2 + 13x – 10
3. 5x2 – 19x – 4
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Question 171203: Factor each quadratic expression.
1. –8x2 + 32
2. 3x2 + 13x – 10
3. 5x2 – 19x – 4
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
1. common factors 1st __ -8(x^2-4)
difference of squares __ -8(x+4)(x-4)
2. factors of 3 and -10 that "combine" to give 13 __ (3x-2)(x+5)
3. factors of 5 and -4 that "combine" to give -19 __ (5x+1)(x-4)
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