factors of x²-15x+56
Answers
Answered by
4
Answer:
x=7 & 8.
Step-by-step explanation:
Given,
x²-15x+56
+56
| \
-7 - 8
= x²-7x-8x+56 = 0
= x(x-7) -8 (x-7) = 0
= (x-7)(x-8) = 0
x-7 = 0 x-8 = 0
x=7 x=8.
Answered by
3
Answer:
Solution:
x²--15x+56
=x²-(8+7)x+56
=x²-8x-7x+56
=x(x-8) -7(x-8)
=(x-8)(x-7). (Answer)
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