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Nadusha1986 [10]
2 years ago
13

I need help with this problem x²+4x﹣30=﹣3x

Mathematics
2 answers:
a_sh-v [17]2 years ago
7 0

Answer:

x^2 + 4x -30 = -3x\\x^2 + 4x +3x -30 = 0\\x^2 + 7x -30 = 0\\x^2 +10x -3x -30 = 0\\x(x+10) -3(x+10)\\(x-3)(x+10) = 0\\x = 3, -10

UNO [17]2 years ago
3 0
X=-10, 3

first, move -3x to the other side of the equation.
your equation should look like this
x²+4x-30+3x=0
add like terms
x²+7x-30+=0
now factor.
(x+10)(x-3)=0
solve for x
x=-10, 3
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