What is the first step in solving the quadratic equation x2 – 40 = 0?
O taking the square root of both sides of the equation
O adding 40 to both sides of the equation
O squaring both sides of the equation
O subtracting 40 from both sides of the equation

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Describe the graph of 3x+2> 2 and 3x< 6

Un used xx milliliters, or 90\%90%, of his favorite bottle of hot sauce. which of the following expressions could represent the volume of a full bottle of jun's favorite hot sauce, in milliliters? choose 2 answers: choose 2 answers: (choice a) a \dfrac{x}{0.9} 0.9 x (choice b) b \dfrac{10}{9}x 9 10 x (choice c) c 0.9x0.9x (choice d) d xx (choice e) e x+0.1x+0.1