# Number of terms in the expression a² + bc × d is _______

**Solution:**

Number of terms in the expression a² + bc × d is __two.__

Given, a² + (bc × d) = a² + bcd

Two terms can be separated only by the operations of addition or subtraction.

**✦ Try This:** (i) Number of terms in the expression 2x + 3y + 7z is ________.

Number of terms in the expression 2x + 3y + 7z is __3__

(ii) Number of terms in the expression (z - 2y)(z + 2y) is ________.

Given, (z - 2y)(z + 2y)

Using the identity (a +b) (a -b) = a² - b²

Here, a = z and b = 2y

∴ (z - 2y)(z + 2y) = z² - 4y²,

Hence, Number of terms in the expression (z - 2y)(z + 2y) is __2__

**☛ Also Check: **NCERT Solutions for Class 8 Maths Chapter 9

**NCERT Exemplar Class 8 Maths Chapter 7 Problem 53**

## Number of terms in the expression a² + bc × d is _______

**Summary:**

Number of terms in the expression a² + bc × d is __two__

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