PLS WILL MARK BRAINLIEST

Solve the equation for all values of x by completing the square.
x^2 + 6x – 27 = 0

Question

09-12-2021
Mathematics

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PLS WILL MARK BRAINLIEST

Solve the equation for all values of x by completing the square.
x^2 + 6x – 27 = 0

Respuesta :

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mimimendelsohn1 mimimendelsohn1 · Answer 1 · 2021-12-09T03:50:27+01:00

mimimendelsohn1 mimimendelsohn1

09-12-2021

Answer:

Solution

=3

=−9

x=3

x=−9

x=3x=−9

Step-by-step explanation:

Boom

Answer Link

eklahan eklahan · Answer 2 · 2021-12-09T04:28:59+01:00

Answer:

x=-9 and 3

Step-by-step explanation:

FOIL method

x^2+6x-27=0

Find the common numbers that multiply to 27 that will also equal 6.

(27x6) or (9x3)

the 6 is positive while 27 is negative so you need to use a + and - in the parenthesis.

then FOIL them

(x+9)(x-3)

FIRST: x*x=x^2

OUTSIDE: x*-3=-3x

INNER: 9*x=9x

LAST: +9*-3=-27

x^2(-3x9x)-27

x^2+6x-27

now that the equation matches you solve for x.

(x+9)=0 x=-9

(x-3)=0 x=3

PLS WILL MARK BRAINLIEST Solve the equation for all values of x by completing the square. x^2 + 6x – 27 = 0

Respuesta :

Otras preguntas

PLS WILL MARK BRAINLIEST

Solve the equation for all values of x by completing the square.
x^2 + 6x – 27 = 0