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3 years ago

Solve this please with steps b^4-3b^3-10b^2

Mathematics

1 answer:

gtnhenbr [62]3 years ago

8 0

Answer:

Step-by-step explanation:

There's no "solving" to be done because its an expression, but im assuming the question wants you to factor.

$b^4-3b^3-10b^2$

First, factor out a b^2

$b^2(b^2-3b-10)$

Factor the trinomial. What two numbers multiply to equal -10 but add to equal -3? They are -5 and +2

$b^2((b-5)(b+2))$

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4 years ago

Pls help Use the rhombus to answer the question

Ierofanga [76]

Answer:

Options A, C and D

Step-by-step explanation:

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3 years ago

Solve the system using the substitution method 3x-y=4 5x+3y=9

rjkz [21]

First solve the first equation for 'y'
3x - y = 4 subtract 3x from both sides
-y = -3x + 4 divide both sides by -1
y = 3x - 4 Now take this equation and substitute into the second equation:

5x + 3y = 9
5x + 3(3x - 4) = 9
5x + 9x - 12 = 9
14x - 12 = 9
14x = 9 + 12
14x = 21
x = $\frac{21}{14} = \frac{3}{2}$ or 1.5
Now substitute this value for 'x' into either of the first two equations to find 'y'
I'll use the equation
y = 3x - 4
y = 3(1.5) - 4
y = 0.5

So your solution is (1.5, 0.5)

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3 years ago

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laila [671]

Answer:

M = (1.5, 0.5)

Step-by-step explanation:

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