3 years ago

Heeeeeeey guysss!!!!

Mathematics

2 answers:

Neko [114]3 years ago

7 0

Answer:

BBHDSS hey bestie

JulsSmile [24]3 years ago

3 0

Answer:

heyy

Step-by-step explanation:

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Match the reasons with the statements. GIVEN: x2 + 6x + 2x + 12 = 0 TO PROVE: x = -6 or x = -2 1. x2 + 6x + 2x + 12 = 0 Subtract

mestny [16]

Given: $x^2 + 6x + 2x + 12 = 0.$

1. Combining like terms (here terms 6x and 2x both contain x, then we can combine them):

$x^2+(6x+2x)+12=0,\\\\x^2+8x+12=0.$

2. Distributive postulate:

$x^2+8x+12=(x+6)(x+2).$

The equation is

$(x+6)(x+2)=0.$

3. Zero product postulate (zero product postulate state that if a product of two factors is equal to zero, then first factor is equal to zero or second factor is equal to zero):

$x+6=0 \text{ or } x+2=0.$

4. Subtraction property of equality:

a) subtract 6 from the first equation:

$x+6=0\Rightarrow x+6-6=-6, \ x=-6.$

b) subtract 2 from the second equation:

$x+2=0\Rightarrow x+2-2=-2, \ x=-2.$

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11111nata11111 [884]

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Evan ran for 28 minutes. Seth ran for 'y' minutes. Evan ran twice as long as Seth. How long did Seth run?

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