Step 1 :First, we combine the \(x^2\) terms: \(3x^2 + 4x^2 = 7x^2\)
Step 2 :Next, we combine the \(x\) terms: \(-5x + 2x = -3x\)
Step 3 :Finally, we combine the constant terms: \(7 - 3 = 4\)