SOLUTION: 4.) Simplify (3x – 5)(2x +1) 5) Simplify (x2 + 4)(x2 – 5)

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Question 175681: 4.) Simplify (3x – 5)(2x +1)

5) Simplify (x2 + 4)(x2 – 5)

Answer by stanbon(48545) About Me  (Show Source):
You can put this solution on YOUR website!
4.) Simplify (3x – 5)(2x +1)
= 6x^2 + 3x -10x -5
= 6x^2 -7x -5
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5) Simplify (x^2 + 4)(x^2 – 5)
= x^4 -5x^2 + 4x^2 - 20
= x^4 -x^2 -20
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Cheers,
Stan H.