x2+8x+6=0What are the solutions to the given equation?Choose 1 answer:(A)x=−8−10 and x=−8+10(B)x=−8−7 and x=−8+7(C)x=−4−10 and x=−4+10(D)x=−4−7 and x=−4+7
Q. x2+8x+6=0What are the solutions to the given equation?Choose 1 answer:(A)x=−8−10 and x=−8+10(B)x=−8−7 and x=−8+7(C)x=−4−10 and x=−4+10(D)x=−4−7 and x=−4+7
Identify equation type: Identify the type of equation we are dealing with.The given equation is a quadratic equation in the form ax2+bx+c=0.
Apply quadratic formula: Apply the quadratic formula to find the solutions for x.The quadratic formula is x=2a−b±b2−4ac, where a=1, b=8, and c=6.
Calculate solutions: Calculate the two solutions using the quadratic formula.First solution: x=2⋅1−8−40=2−8−40.Second solution: x=2⋅1−8+40=2−8+40.
Simplify square root: Simplify the square root of 40.40 can be simplified to 4×10=2×10.
Substitute simplified square root: Substitute the simplified square root back into the solutions.First solution: x=−8−22⋅10=−8−10.Second solution: x=−8+22⋅10=−8+10.
Check solutions: Check if the solutions match any of the given answer choices.The solutions we found are x=−8−10 and x=−8+10, which match answer choice (A).