3 years ago

Solve the equation. S^2+ 7s = - 20

Mathematics

1 answer:

nataly862011 [7]3 years ago

8 0

this is called the quadratic equation.

Either use quadratic formula to find S or The PSF

Product, sum, factor box.

Quadratic formula is : (-b±√(b²-4ac))/(2a) .

we'll use the quadratic formula because psf ain't possible.

-7± √(49-80)/2

(-7±-5.57)/2

s= 0.715 or 6.285

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