Question Factor the expression (y2−19)(y2+19) Evaluate y4−361Rewrite the expression in exponential form (y2)2−192Solution (y2−19)(y2+19) Show Solution Find the roots y1=−19,y2=19Alternative Form y1≈−4.358899,y2≈4.358899 Evaluate y4−361To find the roots of the expression,set the expression equal to 0 y4−361=0Move the constant to the right-hand side and change its sign y4=0+361Removing 0 doesn't change the value,so remove it from the expression y4=361Take the root of both sides of the equation and remember to use both positive and negative roots y=±4361Simplify the expression More Steps Evaluate 4361Write the number in exponential form with the base of 19 4192Reduce the index of the radical and exponent with 2 19 y=±19Separate the equation into 2 possible cases y=19y=−19Solution y1=−19,y2=19Alternative Form y1≈−4.358899,y2≈4.358899 Show Solution
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