Choose all that correctly factor the linear expression,

25x + 5xy
5x(5 + y)
8xz − 12xy
−4x(2z + 3y)
9xyz + 3xy
3xy(3z + 1)
5xz − 18xyz
xz(5 − 18y)

5x(5+y), 4x(2z-3y), 3xy(3z+1), xz(5-18y)

Step-by-step explanation:

25x+5xy=5x(5+y)

8xz-12xy=4x(2z-3y)

9xyz+3xy=3xy(3z+1)

5xz-18xyz=xz(5-18y)

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

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step-by-step explanation: