Question

factorize x2-1.3-0.3 =0. ​

Answer 1

Answer:

x1=0 x2=−5. Explanation: x2+5x=0 x(x+5)=0. By the null factor law either x or x+5 must be equal to 0 . x1=0 x2=−5.

Answer 2

${x}^{2} - 1.3 - 0.3 = 0 \\ {x}^{2} - 1.3 = 0.3 \\ {x}^{2} = 0.3 + 1.3 \\ {x}^{2} = 1.6 \\ x = \sqrt{1.6}$