The following steps are used to rewrite the polynomial expression (x + 4y +z)(x - 7y). Step 1: x(x - 7y) + 4y(x - 7y) + z(x - 7y) Step 2: x2 - 7xy + 4yx - 28y2 + zx - 7zy Step 3: x2 - 7xy + 4xy - 28y2 + xz - 7yz Step 4: x2 - 3xy - 28y2 + xz - 7yz Identify the property used in each of the steps: step 1) associative property, communicative property, distributive property
the same for steps 2 and 3 those are the response ^ I need help one which one is for step 1 2 and 3

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180

nope.   happens to me as well.

-aparri