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kiruha [24]
3 years ago
9

If you expand and simplify (2x+3)(x+4)

Mathematics
2 answers:
lina2011 [118]3 years ago
6 0

Answer:

The answer is 2x² + 11x + 12.

Step-by-step explanation:

You have apply Distributive Law,

a(m + n) = am + an

So for this question :

(2x + 3)(x + 4)

= 2x(x) + 2x(4) + 3(x) + 3(4)

= 2 {x}^{2}  + 8x + 3x + 12

= 2 {x}^{2}  + 11x + 12

posledela3 years ago
4 0

<em>(2x + 3)(x + 4) \\  = 2x(x + 4) + 3(x + 4) \\  = 2x \times x + 2x \times 4 + 3 \times x + 3 \times 4 \\  =  {2x}^{2}  + 8x + 3x + 12 \\  =  {2x}^{2}  + 11x + 12 \\ hope \: it \: helps</em>

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How do I solve 1/10x+5=-3x-13+4x ?
Temka [501]

Answer:

x = 20

I am not sure if you wanted the answer. Sorry!

Step-by-step explanation:

Let's solve your equation step-by-step.

1/10 x + 5 = - 3x - 13 + 4x

Step 1: Simplify both sides of the equation.

1/10 x + 5 = - 3x - 13 + 4x

1/10 x + 5 = - 3x + - 13 + 4x

1/10 x + 5 = (<em>- 3x + 4x</em>) + (- 13)

1/10 x + 5 = <em>x</em> + - 13

1/10 x + 5 = x - 13

Step 2: Subtract x from both sides.

1/10 x + 5 - <em>x </em>= x - 13 - <em>x</em>

- 9/10 x + 5 = - 13

Step 3: Subtract 5 from both sides

- 9/10 x + 5 - <em>5</em> = - 13 - <em>5</em>

- 9/10 x = - 18

Step 4: Multiply both sides by 10/(- 9).

(<em>10/ - 9</em>) * (- 9/10 x) = (<em>01/ - 9</em>) * (- 18)

x = 20

Hope this helps!

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Due tomorrow Please help!!
anastassius [24]

Answer:

A

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b = \frac{1}{8} × 4^{2}

b = \frac{4^{2} }{8}

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B

-2 - v = -7

v = -7 +2

then v = k + m that is BROWN

C

\frac{14}{q} = \frac{-7}{-4}

q = \frac{14 * -4 }{-7}

then q = \frac{ps}{r} that is YELLOW

D

4m + 2(n) = 5 (n)

4m = 5 (n) - 2n

4m = 3n

m = \frac{3n}{4}

then m =  \frac{3n}{4} that is RED

E

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x = -5 (-8 + 6)

then x = y( w + z ) that is LIGHT GREEN

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