Question

the roots of which of the following quadratic equations are 2 and -5
a)x²+3x+10=0 b)x²-3x-10=0 c) x²+3x-10=0 d) x²-3x-10=0
​

Answer 1

Step-by-step explanation:

Oo) find roots of x² 3x - 10. ... If -3x+ 17<-13, then x∈(10,∞) b. x∈[10,∞) c. x∈(-∞ ∞, 10] d. x∈[-10,10) ... Find the roots of the quadratic equation x^2-3x-10=0 by factorisation ...