Is useful<span> in </span>proving<span>various theorems about </span>triangles<span> and other polygons.
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(3x^2 - 5x +3) + (-2x -3x)
=3x^2-5x+3 + (6x^2)
=9x^2-5x+3
Answer:
The answers is 369 and 577... good luck. ♥️♥️♥️
Answer:
x = 9
Step-by-step explanation:
AB = 4x + 6 and BC = 7x + 15 AC is the sum of AB and BC
so 4x + 6 + 7x + 15 = 120 add like terms
11x + 21 = 120 subtract 21 from both sides
11x = 99 divide both sides by 11
x = 9
Answer:
You didn't show the whole question.
Step-by-step explanation:
