Question

-h(h+3)+4=4h-1 me pueden ayudar porfavor

Answer 1

-h(h+3)+4 = 4h -1
-h² -3h +4 = 4h -1
-h² -3h-4h+4+1=0
-h² -7h +5 =0   (-1)
h² +7h -5 =0
h = [-7⁺₋√[7² -4(1)(-5)]/2*1
h = [-7 ⁺₋√[49+20]/2
h  = [-7⁺₋√69]/2
h₁= [-7 + √69]/2                        h₂ = [-7-√69]/2