Answer:
123123 3213123 12312 dasdsd aw dasd sda asdasd
Step-by-step explanation:
Answer:

Step-by-step explanation:

» Collect second degree terms (x² coefficients) together and first degree terms (x coefficients) and constants

Idjdjdjsjdjdkksjdjdhxjdldjbsudodkjshdkdlsjdjsjfodjdbdjdofkfjdjfodkdbdbdkososjwbsjskzobsnsidjfhd
Answer:
take a screen shot and then post it
Step-by-step explanation:
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Work shown above! x = 7
To solve use the supplementary angle next to the unknown angle to find an expression for that unknown angle and use that with the expressions inside the triangle to set equal to 180 and solve for x.
hope this helps c: