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erastovalidia [21]
2 years ago
15

Can I factor this polynomial? 9pr^2+73pr+70r

Mathematics
1 answer:
egoroff_w [7]2 years ago
8 0
R(9p^2+73p+70)
r(9p+10)(p+7)
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Solve for x<br> X^2+6x+9=20
Masja [62]

Answer:

x = 1.47  or x = -7.47

Step-by-step explanation:

x²+6x+9=20

This is a quadratic equation

x²+6x+9-20=0

x²+6x-11=0

Step 1 : Write the quadratic formula

x = <u>-b±√b²-4(a)(c)</u>

              2a

Step 2 : Substitute values in the formula

a = 1

b = 6

c = -11

x = <u>-6±√6²-4(1)(-11)</u>

              2(1)

x = <u>-6±√80</u>

          2

x = -3 + 2√5 or x = -3 - 2√5

x = 1.47         or x = -7.47

!!

4 0
2 years ago
Read 2 more answers
What is the product of 2 + 3x and 1 – 4x ?
Alenkinab [10]
Think of it as (-4x+1)(3x+2) then distribute: -4x x 3x= -12x^2, -4x x 2= -8x, 1 x 3x = 3x, and 2 x 1=2. put together all the answers we just got so: -12x^2 - 8x +3x +2 then simplify to get -12x^2 -5x +2
3 0
2 years ago
What is 3x - 2y= 16 x+5 y=11
inna [77]

Answer: (4,2)

Step-by-step explanation:

3 0
2 years ago
What is the probability of you getting no heads at all for tossing a fair coin three times? (6.25 points)?
Vlad1618 [11]
1/2 * 1/2 *1/2 = 1/8
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3 years ago
Greatest common factor of 66 and 32
scoundrel [369]

Hey there,

The Greatest Common Factor or the GCF of 66 and 32 would be 2.

Both of the numbers go into 2 and that is the highest common factor the two share.

Hope I helped,

Amna

8 0
3 years ago
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