factorize 3x+x^2-70
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Answered by
0
Step-by-step explanation:
3x + x² - 70
= x² + 3x - 70
= x² - 7x + 10x - 70
= x(x - 7) + 10(x - 7)
= (x - 7)(x + 10)
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Answered by
0
Answer:
x= -10, 7
Step-by-step explanation:
Given: x²+3x-70
=x²+10x-7x-70
=x(x+10)-7(x+10)
=(x-7)(x+10)
⇒x-7=0, x=7 or x+10=0, x= -10
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