If A = –2p + 7 and B = p2 + 3p – 5, find an expression that equals A – 3B in standard form.
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Answer:
Proportion states that the two fractions or ratios are equal
Given the equation:
By cross multiply we get;
Using distributive property;
Subtract 0.4 from both sides we get;
Subtract 1.5x from both sides we get;
Divide both sides by 0.1 we get;
Simplify:
x = 56
Therefore, the value of x that satisfy the equation is, 56