4x+c=x(x-3) find the value of c
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Answer:
c= 6
Step-by-step explanation:
4x + c = x² - 3x
x² -7x - c = 0
sum of roots = -7 ⇒ -7 x 1
product = - c ⇒ -7 + 1
∴ - c = -7 + 1
- c = - 6
c = 6
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