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2 x 3 = 65 x -5 = -256 + -25 = -19
you just equal that equation to 0, then you solve for x 5x-8=0 5x=8 x=8/5
Assuming the angles are expressed in radians:sin(5x) + sin(x) = 0∴ sin(5x) = -sin(x)∴ 5x = x + π∴ x = π/4On the other hand, if your angles are in degrees, then the answer would be:sin(5x) + sin(x) = 0∴ sin(5x) = -sin(x)∴ 5x = x + 180∴ x = 180°/4∴ x = 45°
If you mean: x2+5x+4 = 0 then the solutions are x = -1 and x = -4
Assume that the equation is y = 5x².To find the x-intercept of that equation, we need to set y = 0 and solve for x. Here:0 = 5x² which is equivalent to x² = 0.So x = 0. So the x-intercept is (0,0)