factorize x²+100x+2304
Answers
Step-by-step explanation:
x^2+100x+2304
x^2+34x+66x+2304
x(x+34)+66(x+34)
(x+34)(x+66)
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Answer:
x = 36 , 64
Step-by-step explanation:
The first term is, x2 its coefficient is 1 .
The middle term is, -100x its coefficient is -100 .
The last term, "the constant", is +2304
Step-1 : Multiply the coefficient of the first term by the constant 1 • 2304 = 2304
Step-2 : Find two factors of 2304 whose sum equals the coefficient of the middle term, which is -100 .
-2304 + -1 = -2305
-1152 + -2 = -1154
-768 + -3 = -771
-576 + -4 = -580
-384 + -6 = -390
-288 + -8 = -296
-256 + -9 = -265
-192 + -12 = -204
-144 + -16 = -160
-128 + -18 = -146
-96 + -24 = -120
-72 + -32 = -104
-64 + -36 = -100 That's it
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -64 and -36
x2 - 64x - 36x - 2304
Step-4 : Add up the first 2 terms, pulling out like factors :
x • (x-64)
Add up the last 2 terms, pulling out common factors :
36 • (x-64)
Step-5 : Add up the four terms of step 4 :
(x-36) • (x-64)
Which is the desired factorization
so, x = 36 , 64
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