Question

Solve by compete squaring method ..5x square minus 9 x minus 10= 0​

Answer 1

Answer:

(x−5+√652)(x−5−√652)=0. when: x1=5+√652≈ ... ax2+bx+c=0 ... (−1,10): −1+10=9≠−5. (1,−10): 1−10=−9≠−5. (−2,5): −2+5=3≠−5. (2,−5): ... to complete the square. ∙ ensure ... ⇒⎛⎝√(x−52)2=±√654←note plus or minus ... Can every quadratic be solved by using the completing the square method?

Step-by-step explanation:

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