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horsena [70]
3 years ago
9

Complete the steps for solving 7 = -2x2+10x

Mathematics
2 answers:
V125BC [204]3 years ago
4 0
Step 1: move all terms to one side

7 + 2x^2 - 10x = 0

Step 2: Use the quadratic formula

X = 10 + 2(square root of 11). 10-2 _/—-11
————————————. ——————
4. , 4

Step 3: Simplify solutions

X= 5 + (square root of 11) 5 - (square root 11)
——————————- , ————————
2. 2
larisa [96]3 years ago
3 0

Answer:

Factor -2 out of the variable

Add 24/4 inside the parentheses and subtract 25/2

on the left side of the equation

White the perfect square trinomial as a binomial squared

Divide both sides by -2

Use the square root property of equality

Add 5/2 to both sides

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