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The expression (x+a)(x+b) can not be written as...

a) a(x+b) + x(x+b)
b) x+ (a+b)x + ab
c) x2 + abx + ab
d) x(x+a) + b (x+a)

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Arturo O. | Experienced Physics Teacher for Physics TutoringExperienced Physics Teacher for Physics ...
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(x + a)(x + b) = x2 + bx + ax + ab = x2 + (a + b)x + ab
It cannot be written as (c).