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What are the solutions of the equation (x + 2)2 + 12(x + 2) - 14 = 0? Use u substitution and the quadratic formula to solve.
where the plus-minus symbol "±" indicates that the quadratic equation has two solutions . Written separately they become: = − + − = − − − Each of these two solutions is also called a root (or zero) of the quadratic equation . Geometrically these roots represent the x -values at which any parabola explicitly given as y = ax 2 + bx + c crosses the x -axis.
A quadratic equation with real or complex coefficients has two solutions called roots.These two solutions may or may not be distinct and they may or may not be real. Factoring by inspection. It may be possible to express a quadratic equation ax 2 + bx + c = 0 as a product (px + q)(rx + s) = 0 .In some cases it is possible by simple inspection to determine values of p q r and s that make ...
In classical mechanics the Kepler problem is a special case of the two-body problem in which the two bodies interact by a central force F that varies in strength as the inverse square of the distance r be...
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