How do you solve 5(3x+7) =3 (5x+7) ?

1 answer:

4 0

5(3x+7)=3(5x+7)

15x+35=15x+21

cancel out the 15x. If you bring over one of the 15x it's going to naturally cancel each other out.

35=21

35 does not equal 21

it would be the equal sign with the slash coming through it

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-8p^2+8p+7=9<br> how do i find the discriminant

m_a_m_a [10]

The discriminant can be found using the formula b^2-4ac

First put your equation in standard form, where all your values are on one side, and just add f(x) or y in front of your equation.
y= 8p^2-8p+2

The first value of your equation is a (a=8)
The second term of your equation is b (b=-8)
The last term of your equation is c (c=2)

Plug in the values to the discriminant equation b^2-4ac

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3 years ago

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Nady [450]

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Step-by-step explanation:

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