hmmm! what is the solution of
2. 28= r (r+3)_____?
3. 3s (s-2) =12s____?
4. (×+2) (×+13) = 0____? huhuhu hanghirap ;(
2. 28= r (r+3)_____?
3. 3s (s-2) =12s____?
4. (×+2) (×+13) = 0____? huhuhu hanghirap ;(
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Answer:
2.121
3.324
4.x2+15x+26
Step-by-step explanation:
auto correction thank you
Answer:
2. r=4, r=-7
3. s=0, s=6
4. x=-2, x=-13
Step-by-step explanation:
2. 28=r(r+3)
28=r²+3r
r²+3r-28=0
(r-4)(r+7)=0
r-4=0, r+7=0
r=4, r=-7
3. 3s(s-2)=12s
3s²-6s=12s
3s²-18s=0
3s(s-6)=0
3s=0, s-6=0
s=0, s=6
4.(x+2)(x+13)=0
x+2=0, x+13=0
x=-2, x=-13