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Sagot :
Answer:
= − 5 /4
= − 6
Step-by-step explanation:
Use the sum-product pattern
4 ^2 + 2 9 + 3 0 = 0
4x^2+29x+30=0
4x2+29x+30=0
4 ^2 + 2 4 + 5 + 3 0 = 0
Rewrite in factored form
4 ( + 6 ) + 5 ( + 6 ) = 0
4x(x+6)+5(x+6)=0
4x(x+6)+5(x+6)=0
(4 + 5 ) ( + 6 ) = 0
Solution:
= − 5 /4
= − 6
Step-by-step explanation:
4x^2 × 30 = 120x^2
120x^2 = 24x x 5x
(4x^2) + (24x) + (5x) +30 =0
4x(x+6) + 5(x+6) =0
(4x +5) + (x+6) =0
4x + 5 = 0 , x+6=0
XE = ( -5/4, -6)
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