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Simplifying 4a2 = 7a Solving 4a2 = 7a Solving for variable 'a'. Reorder the terms: -7a + 4a2 = 7a + -7a Combine like terms: 7a + -7a = 0 -7a + 4a2 = 0 Factor out the Greatest Common Factor (GCF), 'a'. a(-7 + 4a) = 0Subproblem 1
Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0Subproblem 2
Set the factor '(-7 + 4a)' equal to zero and attempt to solve: Simplifying -7 + 4a = 0 Solving -7 + 4a = 0 Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 4a = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 4a = 0 + 7 4a = 0 + 7 Combine like terms: 0 + 7 = 7 4a = 7 Divide each side by '4'. a = 1.75 Simplifying a = 1.75Solution
a = {0, 1.75}
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