Mathematical calculation:
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It supports mathematical functions (including trigonometric functions).
Overview: 1 questions will be solved this time.Among them ☆1 equations
[ 1/1 Equation] Work: Find the solution of equation 7x^2+40x−12 = 0 . Question type: Equation Solution: After the equation is converted into a general formula, it is converted into: ( x + 6 )( 7x - 2 )=0 From x + 6 = 0 7x - 2 = 0 it is concluded that:: x1=-6