(7x+2)(20-3x/4) = 140x + 40 - 21x²/4 - 3x/2 = -21/4 x² + 138 1/2 x + 40
this is one of those multiplications that doesn't make the result look any simpler...
Answer:0.68,0.35,0.31,0.20
Step-by-step explanation:
m angle 6= 210
I'm not sure about this question
Step-by-step explanation:
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