Answer:
add 21 to both sides to get everything on one side
x^2 - 10x + 21 = 0
do factorization, guess and check
(x - 7) (x -3) = 0
x =7, and x =3
x= 7,3
Step-by-step explanation:
Move all terms to the left side and set equal to 0. Then set each factor = to 0
Hope this helps please make me brainliest!
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