Simplify the expression. - 17b + a +235 + 240
2 answers:
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Let the two integers be x and y respectively
Hence;
From the first equation ;
Substitute into the third equation
Open up the bracket
Take everything to the right hand side of the equation and you'll have a quadratic equation
Solve the quadratic equation and you'll have two roots
Substitute for each value of y in the first equation
Therefore:
Therefore the answer is A
Hence;
From the first equation ;
Substitute into the third equation
Open up the bracket
Take everything to the right hand side of the equation and you'll have a quadratic equation
Solve the quadratic equation and you'll have two roots
Substitute for each value of y in the first equation
Therefore:
Therefore the answer is A