Question

find the roots of the following quadratic equation by factorization 2x²+3x-90=0​

Answer 1

Step-by-step explanation:

${2x}^{2} + 3x - 90 = 0 \\ = {2x}^{2} - 12x + 15x - 90 = 0 \\ = 2x(x - 6) + 15(x - 6) \\ \\ = x = \frac{ - 15}{2} or6$