1.k² = 2k - 1
2.5a + a² - 6
3.r² +7r = - 12
Plsss answer it by factoring:<
2.5a + a² - 6
3.r² +7r = - 12
Plsss answer it by factoring:<
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Answer:
1.k=1
Step-by-step explanation:
Answer:
1. (k-1)²
2. (a+6)(a-1)
3. (r+4)(r+3)
Step-by-step explanation:
1. k²=2k-1
k²-2k+1 = (k-1)²
2. 5a+a²-6
a²+5a-6 = (a+6)(a-1)
3. r²+7r = -12
r²+7r+12 = (r+4)(r+3)