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Earn +20 ptsQ: How do you solve x2 2x - 9 15?
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How do you solve x2 plus 6x equals -9?
2x+6x=-9 => 8x=-9=> x=-8/9
Can you solve x2 plus 2x - 63 equals 0?
x2+2x-63 = 0 When factorised: (x-7)(x+9) = 0 Therefore: x = 7 or x = -9
How do you solve x plus 6 equals 2x-9?
x + 6 = 2x - 9 Add 9 to both sides: x + 15 = 2x Subtract 1x from both sides: 15 = 1x or 15 = x
Solve 8x plus 39 equals 2x-15?
8x+39 = 2x-15 6x = -54 x = -9
Solve 2x 39x?
2x - 3= 9 x=
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