Question

using factor method divide the following polynomials by a binomial.

1) x + 3x2 - 10 by x2 + 5 (Hint: put x2 = y)​..

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Don't use long division method
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@Itzheart29​

Answer 1

Step-by-step explanation:

x4+3x2-10 by x2+5

=x4-2x2+5x2-10 by x2 + 5

=[x2]2-2x2 +5x2 -10 by x2 +5

x2 = y [given]

=y2-2y +5y-10 by y + 5

=y[y-2] + 5[y-2] by y+5

=[y+5][y-2] by [y+5]

[y+5] cancel

=[y-2]

Hope This will helps you

Answer 2

Answer:

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