3 years ago

-4(-6 + 2) = A)-16 B)-32 C)-8 D)16

Mathematics

2 answers:

mrs_skeptik [129]3 years ago

7 0

Answer: A)-16

Step-by-step explanation:

Elenna [48]3 years ago

4 0

Step-by-step explanation:

$- 4( - 6 + 2)$

$- 4( - 4) = + 16$

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Use the substitution method to solve the system of equations. y = –4x 8x – y = 6 A.(2, –8)B. (1, –4) C.1/2-4 D.1/2-2

satela [25.4K]

y= -4x and 8x-y=6

what you do is switch the negative y to the other side and move the positive 6 to the other side thus making y=8x-6.

I don't get what those numbers are on the question but the way you solve it is by combining them and putting one y into the other

8x-6=-4x 12x=6 6/12=x .5=x

then you plug in x to find y in whichever equation:

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6 0

3 years ago

Read 2 more answers

Use the zero product property to find the solutions to the equation 2x2 + x – 1 = 2.

FromTheMoon [43]

$2 {x}^{2} + x - 1 = 2$

Subtract sides -2

$2 {x}^{2} + x - 1 - 2 = 2 - 2$

$2 {x}^{2} + x - 3 = 0$

$(x - 1)(2x + 3) = 0$

_________________________________

$x - 1 = 0$

$x = 1$

##############################

$2x + 3 = 0$

$x = - \frac{3}{2} \\$

_________________________________

Done♥️♥️♥️♥️♥️

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Step-by-step explanation:

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