2017年4月11日 · See the entire solution process below: Step 1) Subtract color(red)(30) from each side of the equation to isolate the x term while keeping the equation balanced: 4x + 30 - …

2017年5月10日 · Combine the x-terms and isolate x to solve. x+1/4x=30 Since x can be written as 4/4x: 4/4x+1/4x=30 5/4x=30 Now we can multiply both sides by 4 and divide both sides by 5: …

2016年9月5日 · #2x^2+ 4x -30 =0# #x^2 +2x -15 = 0# Try to factor before we use loner methods of the quadratic formula or completing the square. Find factors of 15 which subtract (because …

2018年4月11日 · x = 10 1. we have to find, when the absolute value (ABS) is more than zero and when less zero point for this ABS is x=-30 2. then we will solve this problem for 2 intervals, …

2015年10月3日 · Refer to explanation What you got is called inequality .You need to find the values of variable x that make the inequality true. Hence 4x-30 > -3x+12 Move -30 to other …

2016年1月18日 · y=2(x+1)^2-32 The vertex form y=a(x-h)^2+k where (h,k) is the vertex. Our question y=2x^2+4x-30 We got different approaches for getting to the vertex form. One is to …

2016年5月10日 · 3 and -5 y = -2(x^2 + 2x - 15) = 0 Solve the quadratic equation in parentheses. Find 2 numbers knowing sum (-b = -2) and product (c = -15).

2016年1月10日 · y = 2(x - 3)(x + 5) I use the new AC Method to factor trinomials (Socratic Search). y = 2x^2 + 4x - 30 = 2(x + p)(x + q) (1) Converted trinomial: y' = x^2 + 4x - 60 = (x + …

2017年8月14日 · There are two variables and only one equation. With only one equation there are an infinite number of points that would fall on the line. The equation can be simplified and put …

2018年1月16日 · See a solution process below: To solve this problem, plot two points for each equation and draw a line through the points. Equation 1: For x = 0 (4 * 0) - y = 30 0 - y = 30 -y …