Question

Solve this:

8x² - 70x - 750 = 0​

Answer 1

Explanation:

8x^2-70x-750=0

=>2(4x^2-35x-375)=0

=>4x^2-35x-375=0

=>4x^2-60x+25x-375=0

=>4x(x-15)+25(x-15)=0

=>(x-15)(4x+25)=0

x-15=0 4x+25=0

=>x=15 =>4x= -25

=>x= -25/4

so the values of x are 15 and -25/4