2 years ago

Simplify the product. 2p(–3p^2 + 4p – 5)

Mathematics

1 answer:

Monica [59]2 years ago

5 0

Answer:

-6p^3+8p^2-10p

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Consider the attached diagram, where ∠PQR is a straight angle.

Genrish500 [490]

Answer:

x = 22°

∠PQS = 112°

∠SQR = 68°

Step-by-step explanation:

Since ∠PQR is a straight angle, it is equal to 180°. This means that ∠PQS and ∠SQR added together is also equal to 180°.

∠PQS + ∠SQR = 180°

(6x - 20) + (3x + 2) = 180°

6x + 3x + 2 - 20 = 180°

9x - 18 = 180°

9x = 198°

x = 22

Now, we can substiute x into ∠PQS and ∠SQR.

∠PQS

(6(22) - 20)

∠PQS = 112°

∠SQR

(3x + 2)

(3(22) + 2)

∠SQR = 68°

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Step-by-step explanation:

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Step-by-step explanation:

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