so -3y = 11 ie y = -11/3 or -3 and 2/3
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x2+12x+11=0 (x+11)(x+1)=0 x=-11 or x=-1
x2-10 = 4x+11 x2-4x-10-11 = 0 x2-4x-21 = 0 (x+3)(x-7) = 0 x = -3 and x = 7
The terms in the expression 5 x 3y - 634 are 5, 3y, -634
X - 7 = 11 X = 11+7 therefore X = 18 18 minus 7 equals 11.
Do you mean? X^2 - 121 = 0 add 121 to each side X^2 = 121 take square root of each side x = (+/-) 11