3 years ago

Does anybody know how to solve this please with work along with each one? Thank you

Mathematics

1 answer:

Allushta [10]3 years ago

5 0

What grade are u in.

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3 years ago

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Bess [88]

The required polynomial is: $-4x^2-2x+15$

Step-by-step explanation:

Let P be the polynomial that has to be found

Given

One polynomial = $5x^2-3x-9$

Sum of both polynomials = $x^2-5x+6$

So,

$(5x^2-3x-9) + P = x^2-5x+6\\P = x^2-5x+6 - (5x^2-3x-9)\\P = x^2-5x+6-5x^2+3x+9\\P = x^2-5x^2-5x+3x+6+9\\P = -4x^2-2x+15$

Hence,

The required polynomial is: $-4x^2-2x+15$

Keywords: Polynomials, expressions

Learn more about polynomials at:

#LearnwithBrainly

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3 years ago

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Shkiper50 [21]

Answer:

$6 \times 7 = 42$

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2 years ago