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04.12.2019 •
Mathematics
What are the factors in 8(x+4)(y+4)(z2+4z+7) ? how many? why?
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Ответ:
Ответ:
Factoring is basically finding what you have to multiply together to get an expression.
Note: this is different than scale factors and constants
Ответ:
Step-by-step explanation:
step 1. so you want to convert a quadratic (ax^2 + bx + c) into a perfect square
step 2. therefore c is half of b then squared
step 3. (26/2)^2 = 169
step 4. (-22/2)^2 = 121
step 5. (-13/2)^2 = (-6.5)^2 = 169/4 = 42.25.