3 years ago

Find the product of (x − 3)2 A. x2 + 6x + 9 B. x2 + 9 C. x2 − 9 D. x2 − 6x + 9

Mathematics

1 answer:

Naya [18.7K]3 years ago

7 0

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A) Find a polynomial, which, when added to the polynomial 5x2–3x–9, is equivalent to: 18

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Answer:

a) $-5x^{2}+3x+27$

b) $-5x^{2}+3x+9$

Step-by-step explanation:

a) Let the required polynomial be p(x).

We have the relation, $5x^{2}-3x-9$ + p(x) = 18

i.e. p(x) = 18 $-5x^{2}+3x+9$

i.e. p(x) = $-5x^{2}+3x+27$

b) Let the required polynomial be q(x).

We have the relation, $5x^{2}-3x-9$ + q(x) = 0

i.e. q(x) = 0 $-5x^{2}+3x+9$

i.e. q(x) = $-5x^{2}+3x+9$

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$\bf \begin{array}{ccllll}
total\ weight&muscle\ weight\\
-----&-----\\
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Step-by-step explanation:

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