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Algebra help!!!!!!!!?

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WHat is the product of (a + 3)(a - 2)
What is the product of (x^2 + 4)(x^2 - 4)

What is the product of (x2 + 3x + 1)(x2 + x + 2) for this one write your answer in the descending power of x
asked Apr 5, 2013 in ALGEBRA 1 by angel12 Scholar

3 Answers

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(a + 3)(a - 2)

a(a) - a(2) + 3(a) +3(-2)

a2 - 2a + 3a - 6

a2 + a - 6

The product of (a + 3)(a - 2) : a2 + a - 6.

answered Apr 5, 2013 by diane Scholar
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(x2 + 4)(x2 - 4)

x2(x2) - 4x2 + 4x2 - 16

Apply the power rule

x4 - 16

The product of (x2 + 4)(x2 - 4) : x4 - 16.

answered Apr 5, 2013 by diane Scholar
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(x2 + 3x + 1)(x2 + x + 2)

x2(x2) + x2(x) + 2(x2) + 3x(x2) + 3x(x) + 3x(2) + x2 + x + 2

x4 + x3 + 2x2 + 3x3 + 3x2 + 6x + x2 + x + 2

x4 + 4x3 + 6x2 + 7x + 2.

 

answered Apr 5, 2013 by diane Scholar

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