What is the solution to x^2 + 5x - 7 = 0
X can be found by using the quadratic equation. x = -b plus or minus (b2-4ac)1/2/2a. We find that x=-5/2 plus or minus (53)1/2/2.
SA
Related Maths GCSE answers
All answers ▸What is the point of intersection of two lines, and how would I find it?
How can I draw a 30 degree angle without a protractor?
How do you divide fractions and mixed numbers
John is n years old where n is an whole number. Kim is three years younger than John and Vanessa is half of Kim's age. Write an expression for Vanessa's age in terms of n.